Cable routing

"Across the head tube" route setup

Apart from front brake (which run down direct to v-brake or disc brake caliper), rear brake, FD and RD require routing either via top tube, bottom tube or both (brake on top tube, while FD & RD on bottom tube).

"Across the head tube" route
FD which is on the left side, the cable runs across the head tube to the right side before tied to top (or bottom) tube. RD on the opposite, runs from right side across the head tube to the left then tied to top (bottom) tube. For rear brake, since I fit on left side, runs across the head tube to the right side of the bike.

"Same side" route
All cables run on same side of the bike, i.e. no cable cross the head tube.

Which is the best?
While there is no hard rules on how one should route the cable, I prefer "across the head tube" cable routing. I have 2 reasons of doing so: -
1. to reduce cable casing rub
Cable casing doesn't rubs on the head tube thus save the head tube's paintwork.

2. smoother cable movement
Cable routing has lesser degree bend in between 2 fixed position i.e. the lever's barrel adjuster and cable clamp on the top/bottom tube)

On my Spesh, FD & RD run on bottom tube. By default, casing stopper (I will lookup the actual term use for this little thing below my bottom tube) for FD on left, RD on the right. I overcome the situation by crossing the casing underneath the bottom tube (see photo below).



To all my muslim friends, Happy New Year!

Tire tread & rotational direction

Continental Explorer. Actual model fitted on my Scott.

For simplicity, you just fit tire to your wheel according to the direction as indicated on the sidewall. It meant to make your life easier after all. For those of you that want a better explanation, continue reading.

For passenger cars, tires can be bidirectional, inside/outside or rotational direction.
Bidirectional - your can never go wrong mounting the tire to the wheel.
Inside/outside - "Outside" is meant to be on the outer part of the wheel, i.e. the part where you see the tyre most of the time.
Rotational direction - it has the arrow that shows the direction of the tire when the car move forward. If mounted on the right side of the car (front or rear), the arrow indicator pointed to the your right side, if it on top most of the tire. (see photo below)

My focus is elaborate on rotational direction since that's the only concern for MTB'r.


Tyre fitted on wheel for right side of the car

On tarmac, rotational direction wasn't a major factor if you are driving in hot & sunny day. Rotational directional comes to its purpose when it's raining or you hit patch of water. The tread on rotational directional tire will "channel" out the water in between the tire and the tarmac away as to gain contact to the road. Without this, the tire will hydroplane (or aquaplane) and car will lost contact with the road renders braking, steering, and accelerating useless and disastrous. As such, mounting rotational direction tire wrongly will increase the risk of hydroplaning since instead of "channel" out the water, it "scoop" the water in!

Back to MTB, directional tyre for MTB is always on the opposite side for front and rear. This is for the reason that rear tire is the driving wheel and it need all the traction required to maintain its contact to the terrain in order to move forward. On the other hand, front tire is always on rolling and doesn't need that much of tread until you need to apply brake. Front tire works the same way like the rear tire in term of traction but in different rotational direction. That's another reason why rear brake has less stopping power that the front.

Why do I take up cycling?

1. 1 form of exercise
I tried running but my shin hurts badly after few hundreds meters. Been into gym but monthly commitment of RM180 seems too much. Furthermore, gym buddy insisted on me going to the outlet next to his office but so out of the way of my route. After giving a serious thought of it and series of harassment by Jazlany and Big Mac, I committed myself into cycling.

2. Socializing and networking
Cycling buddies come from many walk of life. Lawyer, accountant, technocrat, chemical engineer, dispatch rider, student, teacher, photographer, tuna booty shaker.. you name it, I'll try to find one :)

3. Commuting
Being green. Trying to reduce fossil fuels consumption on monthly basis. Cycle whenever, wherever possible to run errands or just simply commute to work.

4. Personal achievement
I keep monitoring my progress. If there is anyone I am trying to better than, it is just myself. Yeah, I do mentioned about me trying to match cycling buddy whose performance is like a moving target for me, forget about that :D

I highly recommend newbie to read these articles by Sheldon Brown on basic cycling techniques: -

Standing while Cycling - standing is hazardous to your knee

Braking and Turning - why you need to use front brake

Gear Shifting - cadence vs grinding/pushing

p.s: only #1 was the original motivation factor for me taking up cycling, others are by-products of my obsession.

Misleading perception

Last Friday, we did the route just like the one we did during Ramadhan. A ride that suppose to roll by 9:00pm apparently leaving RV nearly 10:00pm. While waiting for others, I keep myself occupied by changing brake pad and some minor tuning on RD (rear derailer). RD occasionally refused to up shift (changing to smaller cog on rear) when the shifter tell it to do so. While the situation was not disastrous, it hamper smooth shifter that any cyclist highly expect from their gearing department. I will get into the detail on how I try to solve that issue on future entry. This entry is about something else..

While I was struggling myself tuning/fixing my Spesh, I heard 2 irritating quotes from fellow season cyclists, a conversation that in a normal circumstances I will say my piece.

Quote #1
Take up road cycling. You will get slimmer. MTB is not good since we have many break and sometime we eat nasik lemak by the river side.

My piece
Dude, people can get slimmer without exercising. The key is diet. A correct diet. Over generalizing the issue is shallow.

Road cycling, MTB cycling, running (like Haza) or any other form of exercise has to be done correctly and objectively. There is no short cut to get slimmer. Those build-up fat isn't there in a month, so stop expecting result in a month!


Quote #2
You can't eat egg if you are on diet!

My piece
Not entire correct. Egg is a source of protein apart from meat and others. Egg is cheap, easily available and easy to prepare. I ate a lot of eggs during my first 6 months of my diet program. But remember to totally get rid of the yolk.

As my diet coach told me, there's no such thing as bad food. The key is moderation. You can eat pasta, but ensure the healthy ingredients and calories intake. Doesn't mean high fiber bread is good for your health that you should finish the whole loaf in 1 sit.

If you need to reach my diet coach, drop me a line. His charge is quite reasonable ;)

Langkap to Pasir Salak

Yours truly

Photo of me doing 40km trip to Pasir Salak on Spesh. More photos once I reach civilisation with Internet access.

Finally, the keyboard version
I woke up early however muscle pain on my thigh a bit hesitate to cooperate with the plan. The plan was to do tarmac to Kompleks Sejarah Pasir Salak, 40km away from Langkap and return. After ding-dong with the decision, I drag my feet to proceed with the plan.

I left at about 10:30am, the weather looks promising with no sign of rain. Cranking at about 27km/h and trying to keep it up since the route almost flat. Saw a few stopover to serve my appetite however decided that it wasn't a good idea to have lemang, neither coconut water during this somewhat long journey.

Almost flat tarmac

Signage to my destination By 12:30pm, I reached Kompleks Sejarah Pasir Salak. My plan to visit this historical place was hampered by the security guard who refused to let me safely park my Spesh beside the guard post. I believed that he was just carrying out his duty as per instruction and directed me to the information counter to ask for permission to park within the vicinity. Unprepared with proper lock, I decided to shelf the original idea instead I snapped a few photos below. Solar clock Terowong Sejarah Observation tower: A view over Sungai Perak Sungai Perak: A view from a bridge Next plan... Langkap to Lumut, 90km. End December.

Cycle to work

I always looking forward for an assignment where I will "have" to spend a day at HQ. A trip about 18km in 40 minutes (moderate pace), I beat my travelling time by car, anytime. I opt for a route via Chow Kit since traffic is a bit low comparatively to Jalan Mahameru.

After preparing Shogun the night before, I left about 7:20am this morning and reached HQ slightly before 8:00am. Thanks to my luck on each traffic light junctions, it was green all the way. Secured my Shogun near the cafe and had mihun goreng breakfast while waiting my body temperature settling down. 8:15am, headed to Surau to wash myself and put on my office attire. By 8:25am, I clocked into the office.

I have a good start this morning :)

Note on photo above: Couldn't get proper place to dry up jersey, towel and helmet thus all cramping under visitor table. Merempat, nak buat cemana :)

Kedai-kedai basikal di Lembah Klang

Senarai kedai basikal di Lembah Klang (akan dikemaskini dari masa ke semasa), klik sini untuk semua: -

1. Kedai Samy
Pemilik: Mega
Telefon: 019-3539007, 03-61862653
Apa yang istimewa disini: Parts ranging mid to slightly below top range at reasonable price.
Apa yang aku beli kat sini: 661 Mullet, tube, Avid BB7, Avid Speed Dial 7, Shimano LX shifter, alloy handlebar, dirt cheap handlegrip
Lokasi: Batu Caves
Peta:

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2. Bicycle World
Pemilik: Nathan
Telefon: 019-2112002, 03-41066749
Apa yang istimewa disini: Cannondale's dealer, excellent workmanship
Apa yang aku beli kat sini: tube, wheel truing, grease (with gun)
Lokasi: Taman Melawati
Peta:

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3. Advance Bicycle Centre
Pemilik: Uncle ABC
Telefon: 016-2702691, 03-62724691
Apa yang istimewa disini: Low to mid range parts on bargain, all year round.
Apa yang aku beli kat sini: Continental Explorer, Truvativ stem, Shogun's frame, alloy handlebar
Lokasi: Sri Damansara
Peta:

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Kayuhan Anggerik

Last Friday, I went for Kayuhan Anggerik at Shah Alam. So much so of promoting healthy lifestyle, we have the first (and on monthly basis) Putrajaya Critical Mass which runs on every last Friday of the month. And now Kayuhan Anggerik which will be on every 3rd Friday of the month.

I didn't get the whole objective of the ride precisely. I was imagining the ride should be santai (relax) that I even wore jeans. Was on rear pack, chatting and socializing with Azizan the Fixie and Shaque when I start noticing other cyclists zooming left and right chasing the front pack. Thought that the organizer has changed the format to race event, I changed to my mode too. While I was overtaking some other cyclists, those on knobbie still a lot faster than me. And Shaque, despite knobbie tyre, was constantly tailgating me. Damn! I am still have a lot to improve.

On overall, it was an enjoyable ride. I will attend their next event as a sign of support.

My Album
Report on 1st Kayuhan Anggerik (official report)
Mass Ride (Kayuhan Anggerik) by Heero Yui

Murah je bang..

Semalam, aku tak kayuh ke mana-mana. Rancangan awal menyertai Kelolo untuk recce Sri Gombak hash terbantut kerana isteri tersayang tidak berapa sihat. Jadi aku membuat keputusan untuk membasuh semua kenderaan beroda 2 aku. 3 basikal dan 1 motor. Satu-persatu aku mengadap sampai ke basikal Shogun, pekerja Indonesia yang membuat kerja pemulihan dirumahku bertanya..

"Pak, berapa ongkosnya basikal bapak?"

"Murah je, sekitar RM400" jawapku. Sekadar membuat perbandingan dengan basikal MTB yang 6 kali ganda harganya.

"Itu ngak murah pak.."

Hehehe.. murah bagi aku, mahal bagi dia. Hobi bagi kebanyakkan orang, obsesi bagi aku....

Shogun SS the break down

After all parts have been finalised and I am quite happy with it (huh, do I sounds like difficult to please?) here's the break down of the setup...

MTB Chromoly Frame - RM90

Wheelset (27" ol'skol) - RM120
Tyre (27x1.25) - RM36 (RM18 each)
Tube - RM20 (RM10 each)

Handlebar - RM15
Handle grip - RM5
Stem - RM30

Crankset (road, 42T) - RM50
Pedal - parts surplus
7sp chain - RM10
Freewheel (BMX, 16T) - RM8
Chain Tensioner - parts surplus

Brake caliper - RM20
Brake lever - parts surplus

Saddle - parts surplus
Seatpost - son'n mtb (still looking for 26.2mm)

Total - RM404

Dino Fakalot berposing dgn basikal aku
Photo by Toyol Pemalu

Shogun the return!

I changed the wheelset and 27X1.25 tyres on my Shogun recently (spend money). Bigger wheelset means I no longer can use the existing V-brake, thus front set of road bike brake caliper (spend more money). I already had a test run Sunday where mishaps came to my doorstep (on my earlier post).

Last night, GLC changed their regular nite ride from Thursday to Tuesday and I took Shogun out for the ride. Lesson learn from previous derailed chain, I strengthen the tensioner with 2 cable ties, and took some spares in case I need to replace the puncture tube. Stupid enough, with no spare tube of that size and pump that only works on Presta valve, I just crossed my fingers.

This Shogun is fast despite stuck with only 1 speed due to its slim, low-resistant tyre. Its high profile survived abundant potholes in our beloved city making it a perfect tyre for commuting.

Why helmet is important...

6:00pm
About 30 minutes ago, I felt on tarmac. Least expected due to derailed chain (I was on my single speed Shogun) under hard crank (left side) up a bridge. I remember vividly, felt on my left and banged my head pretty hard on tarmac. Lucky enough I was on emergency lane and the traffic is slow.

Addendum (10:00pm)
Upon close scrutiny on the helmet, the inner part which made of styrofoam splitted into two. There goes my RM280 helmet. Well, better a cracked on helmet than a cracked on my skull!

Interesting articles

I came across these interesting articles last week. Something related to cycling but his write-ups on economics catch my attention most.

Bercinta Dengan Basikal

Halangan #1: Kenderaan Melambangkan Status

Halangan #2: Cuaca Panas

Halangan #3: Bahana Individualisme & Konsumerisme

Daughter's first dish

My eldest is 10. For an arrangement that we had earlier on, she fried me an egg. Big deal? Of course! Previously she just successfully boils water ;)

She kinna late starter according to my wife. Well if you don't put a person into a situation, how would you know his/her capability.

I didn't realize to fry an egg do has an SOP (Standard Operating Procedure) until I have to tell her the step by step (my client's nicest word to substitute the word SOP).

Standard Operating Procedure for frying an egg
1. Wash the pan
2. Fire up the stove (set to low)
3. Put the pan on the stove
4. Wait until the pan dry up
5. Put a sprinkle of cooking oil
6. Wait until pan heats up (this is the tricky part on determining the "recommended" heat)
7. While waiting for "6", crack open the egg's shell and put it in a small bowl
8. Put the egg onto the pan
9. Flip it after a while
10. Serve

The result!



Who said cooking is simple?

ECC Malacca: Sahara Ride

Or should I call it Sengsara Ride?

700 or so cyclists came nationwide and Singapore to "suffer" themselves in this ride. This event was organized by ECC Malacca on 26th October. Unlike PCC Presidential '07, I only managed to hit 6 out of 9 checkpoints. It was hot with about 80% of the route is open & double track. The following are excerpts from my photo album.

Dinner by the seaside at Pengkalan Balak

6:24am. All set to leave my kampung and heading to Afamosa Resort

7:53am. Starting line

11:25am. Common scene along the route

12:52pm. A view of series of hills to climb

3:35pm. Azea's nasty cut earned from fall.

5:39pm. A plate or 2 dishes of our choice by the seaside.

The Bastard Operator From Hell

Excuse me for the vulgar word but this is the actual title of this site.

Few years back (this is just another way of me subtly telling you that it's like 10 years back) I was a System Administrator (or SysAdmin,click there for explanation, I love Wiki!), full time. A few years back (in actual context where the rest of the world defines it as like 3-4 years back), I was assigned to client's office to run the IT operations there. Sparingly I attended issues like I send a file for printing but nothing come up (the printer was out of paper), network down! (while fact that the cable also unplugged), I can't login! (tried many wrong password and the account get blocked), and the list went on and on.

Coming back to title, this SysAdmin taking it personally and write a journal on this. I am trying to believe that the journal is purely fiction but it is hilarious to read (trust me, SysAdmin is a nice person on earth that always there to fix your issue with PC). Of course I don't expect non-IT person or ordinary computer luser (gosh! Wiki explains that too? ;) ) to get the jokes. I simply call it a tribute to all System Administrators for a large dosage of laugh that they need while attending anything-under-the-sky luser's issues.

Blog of my SysAdmin friends: -
Yoebaik (and still going strong)
Kapla Hodot (was in IT, now in Telco industry. I guess "same kinna shit, different flavor")

DIY chain tensioner

Finally the tensioner!
I was looking for metal plate to implement solution I found on mtbr.com. I bumped into metal plate found on my Bike Hand pocket toolset that might deliver the function. After 2 hours fitting, fixing and adjusting, I came into satisfying result (that yet to be tested) :-)

Mounting on RD act as a hinge, cable tie just did a fine job as tensioner and RD's jockey wheel deliver the task as chain guide.


44T chainring in the middle position. Added spacer from vandalised 32T chainring to correct the chainline.



A satisfying straight chainline :)

Sup daging Sururi

I was introduced to tasty soup by Amir back in 1998. After 10 years I can't find any other soup that as tasty and as cheap as this. A bowl of this sell at RM3.50 and the queue built up over time. By 1pm, all 3 large pots taken until last drop. My last attempt with wifey was a failure that we settled for nasi campur. According to the owner, he starts sell every weekdays and still can't coup with the demand (previously only on Tuesday and Friday).

Check out the queue!

Location Map
This restaurant is at the end of the rumah pangsa block next to Masjid Jamek Alam Shah, Pasar Road.

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Raya long holiday

Last day of Ramadhan
After a few days break since last ride, I made a loop via Degong, Chenderung Balai, and Chikus. Under 30km mild pedaling on flat terrain. By the time I reached kampung, I had half an hour to clean up myself and getting ready for breaking fast.

Metal bridge at Chenderung Balai

It's Raya!
Personally, I have nothing much to look forward for Raya. The enjoyment seems has faded for quite sometime. Probably being a person sitting on the other side of that monetary transaction on pre-Raya, Raya and post-Raya is not funny at all.

On Raya day, after Solat, we had our lemang and rendang dishes. Later asked forgiveness among family member and then we paid a visit to distance family member on the other side of the kampung.

Family photo

Grandpa at age of 88

And what is Raya without firecracker

Ride to Teluk Intan

The lean tower of Teluk Intan

It’s 2^nd day of Raya and it was about time to hit the road. Especially after stuffing my tummy with countless lemang, ketupat and rending on 1^st Raya. At about 7:40am, I left Langkap and heading towards Teluk Intan, about 20km via kampong’s single lane route. Several times, I gave way for cars passing thru. About an hour ride I reached Teluk Intan.

I stopped by the Lean Tower catching my breath. It wasn’t that long when an uncle on his bicycle checked out my Scott and start counting my 9-speed cogs. Our conversation revolved around bicycle and he was sharing his plan to do touring with multi-gear bicycle (on which he planned to buy). My guesstimate, he’s circa 60 years old and still going strong for a guy at his age.

Apart from me, he was the other cyclist wearing helmet I encountered for the day

Fisherman jetty at Teluk Intan

Ramadhan rides continue….

We (as in me & Shaq) finished all 4 Friday night ride this Ramadhan successfully. First Friday, Jazlany joined us despite the drizzle a few minutes before the ride. The following Friday, swelled to 30 cyclists. Namely those from Taman Keramat, Taman Melawati and Ampang after an invitation posted by Shaq at jomkayuh.com (not really).

The third Friday, dropped to 20 cyclists. Probably due “unbearable” series of climbing route designed by Shaq. New faces turned up among roadies. The route gets tougher with climbing section from Mahameru to Bukit Tunku. As for myself, Shogun was running 2 speed i.e. 44/15 & 32/15 wasn’t survived that section too. The final stopover was at Middle East restaurant somewhere in Bukit Bintang introduced by Dr Mariam.

Cyclists of the night

Rekindle my memories during my short work trip in Riyadh with Foul and Humus dishes

More photos here!

I decided to take my Scott for a ride on forth Friday. I suffered tremendously for trying to keep the gear ratio as if I am riding my Spesh (Scott on knobbie while Spesh on semi-slick and 3 kg lighter). The crowd on that night were mostly roadies with bling-bling road bike. New faces emerged, old faces faded away. My shallow mind making conclusion.. “when the going gets tough, only the tough gets going”. Report from Shaq on the next day, those roadies ask for a rerun of the route that very night. I guess a stopover at Doraisamy was the biggest attraction.

Small matter for Shaq

When men turn their heads in 1 direction....

Ramadhan al-mubarak rides

As usual, ride must go on.. with some minor adjustment during this fasting month. Been 2 weeks fasting and 2 city centre rides on Friday in a row. Last nite, me, Shark, Zali, Pak Abas and 2 other roadie went downtown for mild ride. Mild due to my request since I took Shogun for a test ride. Shogun was running on 44T chainring and 15T cog, quite a huge ratio. Lucky enough, uncut handlebar helps to leverage "rock the bike" cranking up short steep hills.
Tunnel under Jalan Ampang/Jalan Tun Razak intersection

First Friday of Ramadhan, we (Shark and Jazlany) went for a ride. Started of from Sri Gombak flowing to Sentul then to Hentian Duta. Turning of to Masjid Wilayah and climbing up Hartamas heading to Pusat Sains and take a turn of to Damansara Height. Slowly climbing up Damansara Height and fast descent to Pusat Bandar Damansara and proceed to Parlimen via Jalan Duta. From there, Tasik Perdana and exit at Dayabumi and pay a visit to memorable Pasar Seni (me and wife's RV before we get married, back then cellphone wasn't born yet). Added to that sweat, we loop to Bukit Bintang before taking a break at Dataran Merdeka. We met a bunch of cyclist from AU3, Keramat who invited us for a drink at Selangor Mansion. Over Teh Tarik, we discussed on combining for a larger group for the following Friday nite ride.
A view by the riverbank near Central Market

Jazlany admiring graffiti near Central Market

Sahur break with Kelolo


The following weekdays, me and Shark started discussing on how to entice others to join us for Friday nite ride. An invitation in one of local cycling forum didn't catch any response from forum's member. It doesn't really matter bcoz to me, rides must go on, no matter what number of cyclist we have. To our surprise, our proposed RV swamped by nearly 30 cyclists around the vicinity, Shark was saying "this is like Critical Mass". I can say that all of them cycled from home.

Great! Now we have a large number, how do we handle this?

Typically, any number below 10 is easy enuff to handle. 30 cyclists can be a different ball game. Though everyone is aware that they have to take care themselves out there, being sort of "organizer", we have a responsibility to ensure the route is safe enuff, doable, and spread out some sweepers within the crowd to avoid ppl loosing direction.

RV at Tasik Titiwangsa

So the game plan was, Shark taking the lead, me sweeping in between to ensure ppl taking the right route, and Pak Abas as final sweeper. Alhamdulillah, everything went smooth and safe. The route was the same we did the previous week minus Bukit Bintang due to high traffic area.

In front of Masjid Wilayah

Mejar Anuar at Dataran Merdeka

Golden boys group

Youngsters group

Shogun the SS

For better look, I swapped for uncut raised handlebar.

Further damages: -
Handlebar - RM15 (changed to rised bar)
Handle grip - RM5 (changed to polka dot)

Next, looking for ring washer for chainring spacer.

Commuter bicycle

First Scott, then Specialized. Then come the third "S" in my cycling life.. SHOGUN!

While the first 2 I don't dare to leave it out there while running errands, this bike I built with ease of mind concept. Meaning I can confidently leave it out there and that it won't attract much attention. Worst case if it's stolen, it doesn't burn big hole on my pocket. Having said that, I still keep the bicycle lock out there.

Here's the objective in importance order: -
1. Dirt cheap
2. Simple setup
3. Can ride town elevation

As a result, this was the plan..
1. Single front v-brake
2. Single speed
3. Upright riding posture

I had my hands on the frame, fork & headset for sub RM100. Others: -
Saddle - RM15
Stem - RM30
Handlebar - RM15
Handle grip - RM8
Front wheelset - RM20
QR seatpost clamp - RM10
V-brake - RM15
Crankset, pedal, cassette, chain, rear wheel, tyres, brake lever - parts surplus

That's meeting all the objective and plan except riding town elevation on which I can't determine at this current moment. Why?

Running single speed is a delicate matter of striking a balance of speed and strength. Secondly, chainline.

Striking a balance
The gear ratio is the key element on determining what fit you best for most of terrain you ride. Running it high, you can speed up on flat, suffer on climb. Running it low, you may take any climb, but can't go fast on flat.

Previous setup, 32T:14T (2.28 ratio)

I'm trying on 44T:14T (3.14) ( meaning 1 revolution pedal drives 3.14 turn of rear wheel). On flat and short climb seems not that difficult. I am yet to take it to work where elevation varies.

Chainline
The chainring is ideally to be aligned to rear sprocket, as nearly straight line adjustment as possible. Sheldon Brown has a lengthy explanation on this subject.

Adjusting the chain line was pain in the ass

If running on cassette type hub, this means stacking a number of spacer to achieve this and probably fitting large chainring in the middle chainring position.

Stacking spacers, scavenge from old cassette

Final pose on 6th September

Foot note: Initially I was using "commuting bicycle" on which refer to a "bicycle as mode of transport that we use to commute". It's similar to "jogging shoe" and "running shoe" if we look from the same context. However, commuter in some part of the world means "a piece of transportation equipment used for the transportation of such persons" thus our "KTM Komuter".