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 Cycling, Any cyclist here??

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malleus
post Feb 10 2012, 09:56 PM

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QUOTE(butthead @ Feb 10 2012, 09:31 PM)
your case is just practically losing grip on the rear end... on road bike.. it can be catastrophic.. possible to go into a slide, proceed to recover grip and throw the rider in the opposite direction of the lean onto the ground... what they call high sided on a motorcycle...

here is what could happened with a locked rear... one of the more famous ones... Joseba Beloki in the 2003 running of the tour... although report also stated that he rolled his tubular in the process..


but he definitely locked up... started to slide out from underneath when his tyres suddenly retain it's grip and fling him sideways onto the ground (practically smacked onto the ground full force).. end up breaking his femur and some other bones i remember...

there are some reasons to why it doesn't happen on a mountain bike... partly it can be due to the running of knobby tyres which dampen out the shocks that is required to cause a speed wobble in the first place... and the geometry of the bike and how the rider is sitting more upright as opposed to putting quite a lot of body weight forward on the handlebars.. MTB also leave the ride sort of like pushing against the handlebars horizontally rather than like a road bike... just my theory... can be wrong...
*
yeah its scary alright, even on a MTB. had a locked rear happen to me on a long downhill at hulu langat cause I was careless with the brakes, but managed to keep my balance. was doing over 50km/h that time.

i'm thinking that the heavier weight of the MTB kinda helps to prevent the front speed wobble too.
silvy
post Feb 10 2012, 10:09 PM

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"WHEELIE SUNDAYS AT PUBLIKA
Cycling has never been more fun

If you have wished for an open and spacious circuit to cycle to your heart’s content, your wish may have very well come true with Publika’s Wheelie Sundays. Publika is launching Wheelie Sundays, a fun and healthy activity for all where a safe traffic-free cycling circuit can be enjoyed.

The inner roads of the Solaris Dutamas development will be closed from 7.15 a.m. to 10 a.m. every Sunday exclusively for any cycling enthusiasts, jogging fanatics or families out for a morning walk. Cycle, roller-blade, go scootering or just stroll with a baby pram around this 1.2km circuit which includes landscaped greenery and a children’s park.

Not owning a bicycle is not a problem. Publika is providing bicycles on loan for free. There will be different types of bicycles including bicycles for adults or teenagers, tricycles for children and tandem bicycles for the romantics. For those who transport their own bicycles here, the B2 parking will be open.

The first Wheelie Sunday on February 12 will feature a picnic session where early birds can enjoy a RM2 Early Riser breakfast with tea or coffee.

Wheelie Sundays @ Publika: 7.15 – 10 a.m. every Sunday starting 12 Feb
Call Publika Management at 03-6207 9426 for more information"

as quoted from http://www.builtbysunrise.com/corporate/Ne...ie-Sundays.aspx

n.b Publika is located at Solaris Dutamas



This post has been edited by silvy: Feb 10 2012, 10:11 PM
hianboy
post Feb 10 2012, 10:16 PM

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haha~ currently im rushing their jobs, Sunrise... will check out with them regarding this...
butthead
post Feb 10 2012, 10:18 PM

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QUOTE(mrjgx @ Feb 10 2012, 09:37 PM)
I have a question regarding trainer machine. I saw one priced at rm580...is it good? my friend have the roller thingy but he said that one is pretty hard to balance on for beginners...which one is preferable? trainer or roller?

I need to let my itchy legs moving..furthermore it's a new bike hence I want to ride it often indoor and outdoor...at the moment I can only watch my bike on the bikestand..sometimes I work late and no time to cycle outdoor smile.gif

thx in advance.
*
it depends on what you want to do...

for trainers


the good
- trainers offer resistance and you can vary it depending on what you want to do
- good substitute for days when you can't go out and ride... much like the rigs for RPM classes

the bad
- you might need to buy equipment to run trainers, extra wheel or tyres
- trainers put strains on bike components like wearing down tyres and stuff
- most trainers don't allow a lot of motion while pedaling... with the exception of the new kurt kinetic rock and roll Kurt Kinetic Rock n Roll


for rollers

the good
- can do intervals training
- i think can be good for concentrating on improving pedal strokes
- i think it can also let you improve your on bike balance
- practically do anything you want on the roller, consider it a static rolling road

the bad
- offer little resistance
- takes some use to balance and get onto the roller

for real training, my vote goes to trainers although they feel boring and no different from riding exercise bikes.. but resistance training is the way to go if you intend to use it for indoor workouts...

something to add on as i just remembered, i did read about something regarding trainers on carbon frames in your case... something about trainers being static and the carbon frames will be loaded with quite some stress since the trainers don't allow it to move and have to force the frame to flex...

not sure how this is or any evidence behind to support this.. haven't gone to read up on it... but should warrant a check by yourself if you interest falls on trainers...


Added on February 10, 2012, 10:28 pm
QUOTE(malleus @ Feb 10 2012, 09:56 PM)
yeah its scary alright, even on a MTB. had a locked rear happen to me on a long downhill at hulu langat cause I was careless with the brakes, but managed to keep my balance. was doing over 50km/h that time.

i'm thinking that the heavier weight of the MTB kinda helps to prevent the front speed wobble too.
*
as the saying goes.. it is better to lose the rear traction than the front.. the rear you can still manage it a bit while if you lose the front... you lose all control and hit the deck immediately...

if you lose the front, you practically pummel straight into whatever is ahead...

QUOTE(silvy @ Feb 10 2012, 10:09 PM)
"WHEELIE SUNDAYS AT PUBLIKA
Cycling has never been more fun
you are like a hopped up junkie on an LSD trip... i think this won't satisfy you la...1.2km of circling with what can be 20 tons of kids... not that i see kids no up.. but... find something better to ride and leave this to people who want to go for a stroll...

QUOTE(hianboy @ Feb 10 2012, 10:16 PM)
haha~ currently im rushing their jobs, Sunrise... will check out with them regarding this...
*
by the time you finish... already sunrise la.. check wat check..


This post has been edited by butthead: Feb 10 2012, 10:28 PM
silvy
post Feb 10 2012, 11:00 PM

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@butthead - in fact i truly enjoy LSD. cant wait for the next one.. my gang is riding tomorrow but unfortunately i m caught up with work tomorrow morning wtf!!!!!!!!!!!!!!!!! sunday anyone??
butthead
post Feb 10 2012, 11:03 PM

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GODDAMMIT!!!... we got an addicted pedalphile here...
malleus
post Feb 10 2012, 11:06 PM

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QUOTE(silvy @ Feb 10 2012, 11:00 PM)
@butthead - in fact i truly enjoy LSD. cant wait for the next one.. my gang is riding tomorrow but unfortunately i m caught up with work tomorrow morning wtf!!!!!!!!!!!!!!!!! sunday anyone??
*
hahahaha you sound so deprived smile.gif I'm doing RRI this Sunday, MTB terrain though.. time to switch to my knobby tires again.
silvy
post Feb 10 2012, 11:15 PM

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I am glad to be named a pedalphile...

Yup i m deprived... i can feel my itchy legs !

So...............

Lets ride. Come on guys! Sunday. Make sth happen!
Sky.Live
post Feb 10 2012, 11:50 PM

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Yeah going Hulu Langat Tomorrow, =)
hianboy
post Feb 10 2012, 11:52 PM

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Sunday Kiaraaaawwrrrrrr~~~~~~~~!!!!

malleus
post Feb 11 2012, 12:06 AM

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Bukit Tinggi Klang via Kesas tomorrow for me
mrjgx
post Feb 11 2012, 12:26 AM

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QUOTE(butthead @ Feb 10 2012, 10:18 PM)
it depends on what you want to do...

for trainers


the good
- trainers offer resistance and you can vary it depending on what you want to do
- good substitute for days when you can't go out and ride... much like the rigs for RPM classes

the bad
- you might need to buy equipment to run trainers, extra wheel or tyres
- trainers put strains on bike components like wearing down tyres and stuff
- most trainers don't allow a lot of motion while pedaling... with the exception of the new kurt kinetic rock and roll Kurt Kinetic Rock n Roll
for rollers

the good
- can do intervals training
- i think can be good for concentrating on improving pedal strokes
- i think it can also let you improve your on bike balance
- practically do anything you want on the roller, consider it a static rolling road

the bad
- offer little resistance
- takes some use to balance and get onto the roller

for real training, my vote goes to trainers although they feel boring and no different from riding exercise bikes.. but resistance training is the way to go if you intend to use it for indoor workouts...

something to add on as i just remembered, i did read about something regarding trainers on carbon frames in your case... something about trainers being static and the carbon frames will be loaded with quite some stress since the trainers don't allow it to move and have to force the frame to flex...

not sure how this is or any evidence behind to support this.. haven't gone to read up on it... but should warrant a check by yourself if you interest falls on trainers...
Thanks butthead..now that really helps in term of me deciding between the two. I was about to ask you other than tyres what other stuffs will be wore down..so carbon frame is not recommended to be use with a trainer..that sounds logic as stresses will be put on the frame due to restriction in movement...

Anyway for a used 2008 giant tcr 3 model priced at rm1.2k issit too expensive or what is the normal price for such model (used) with sora.

butthead
post Feb 11 2012, 01:41 AM

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QUOTE(mrjgx @ Feb 11 2012, 12:26 AM)
Thanks butthead..now that really helps in term of me deciding between the two. I was about to ask you other than tyres what other stuffs will be wore down..so carbon frame is not recommended to be use with a trainer..that sounds logic as stresses will be put on the frame due to restriction in movement...

Anyway for a used 2008 giant tcr 3 model priced at rm1.2k issit too expensive or what is the normal price for such model (used) with sora.
*
mostly just tyres will be worn down... but usually they will buy a complete wheel with tyres just to run trainers... panaracer produces a tyre specifically for trainer use as well...

it depends on the condition, it isn't too expensive i guess since you can't exprect RM500 rite...but, frankly i'd buy a new sora equipped giant for RM600 more...

tenno
post Feb 11 2012, 02:51 AM

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QUOTE(butthead @ Feb 10 2012, 10:18 PM)
for rollers

the good
- can do intervals training
- i think can be good for concentrating on improving pedal strokes
- i think it can also let you improve your on bike balance
- practically do anything you want on the roller, consider it a static rolling road

the bad
- offer little resistance
- takes some use to balance and get onto the roller
I dunno about rollers nowadays, but I think there are rollers with magnetic resistance built in. I'm not sure if it's still being sold nowadays, but I had one Minoura roller with up to 7 levels of magnetic resistance that U can adjust by turning a dial on one of the rollers. I think I still have it, dunno where it is now... I took it with me when I left the national team back in 2000 ( I hope there's no MSN spy here tongue.gif )

Rollers can really help with Ur bike handling skills & definitely helps U develop a smooth pedal stroke. We used rollers all the time in training, even with track bikes. Some of the more daring riders would go out of the saddle on rollers. Another good drill to help Ur balance & smooth pedal stroke is one-legged pedalling on rollers. I've seen it being done... take one foot off the pedal, & pedal with the other leg, balance with Ur "hanging" leg. Did it a few times... but not for that long la...

Aaah... the good ol' days.... biggrin.gif
MattJ
post Feb 11 2012, 12:53 PM

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Dear All cycling bros,

Who sell Colnago brand in KL and JB. I know Rodalink and I'm cyclist. Any other shops names please? Thank you.
Sky.Live
post Feb 11 2012, 12:53 PM

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My tire ETRTO is 23x622hmm from chart it seems to be 700 x 23C

Can i know what does 700 means, 23C means?

It seems it's a 26" tire convert into 66.04cm, with formula 3.142 * 66.04 = 207.35cm
but from chart it's 210cm..

lol sounds really confusing.. Have a easy ride today in Hulu Langat today.. On the way back meet a bunch of national junior cyclist, draft along them so fun, easily average 30+ km/h but after uphills cannot keep up..

http://www.trainingpeaks.com/sw/D3ZHU2MXKOFI4EIP4S55WHS4FY

minizian
post Feb 11 2012, 12:59 PM

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Wow, checked my rear derailuer and found out that the thin bar thing with small chain guide have being bengkok and rub my wheel spokes when i shift it to the easiest biggest cassate... Is there any solution to this or the whole rear derailuer have to be changed?

This post has been edited by minizian: Feb 11 2012, 01:00 PM
butthead
post Feb 11 2012, 04:12 PM

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QUOTE(tenno @ Feb 11 2012, 02:51 AM)
I dunno about rollers nowadays, but I think there are rollers with magnetic resistance built in. I'm not sure if it's still being sold nowadays, but I had one Minoura roller with up to 7 levels of magnetic resistance that U can adjust by turning a dial on one of the rollers. I think I still have it, dunno where it is now... I took it with me when I left the national team back in 2000 ( I hope there's no MSN spy here  tongue.gif )

Rollers can really help with Ur bike handling skills & definitely helps U develop a smooth pedal stroke. We used rollers all the time in training, even with track bikes. Some of the more daring riders would go out of the saddle on rollers. Another good drill to help Ur balance & smooth pedal stroke is one-legged pedalling on rollers. I've seen it being done... take one foot off the pedal, & pedal with the other leg, balance with Ur "hanging" leg. Did it a few times... but not for that long la...

Aaah... the good ol' days....  biggrin.gif
*
i think the minoura roller still exists...never went to check if it does have magnetic resistance though...

you were with the national team? team telekom? Year 2000 i think still have the hongkie by the name of Wong and the indon tonton susanto and the local tsen seong hong right?

now i think all retired dah...

reminds me of a YT video


and some banzai japanese...there is a longer video on this...


QUOTE(Sky.Live @ Feb 11 2012, 12:53 PM)
My tire ETRTO is 23x622hmm from chart it seems to be 700 x 23C

Can i know what does 700 means, 23C means?

It seems it's a 26" tire convert into 66.04cm, with formula 3.142 * 66.04 = 207.35cm
but from chart it's 210cm..

lol sounds really confusing.. Have a easy ride today in Hulu Langat today.. On the way back meet a bunch of national junior cyclist, draft along them so fun, easily average 30+ km/h but after uphills cannot keep up..

http://www.trainingpeaks.com/sw/D3ZHU2MXKOFI4EIP4S55WHS4FY
*
ETRTO of 23x622 means a 23mm wide tyre with a inner diameter of 622mm... or wat is refered to ISO 622... or also known as the bead diameter...

700 is basically a cubic measurement of a rim with 622mm diameter if i am not wrong...

QUOTE(minizian @ Feb 11 2012, 12:59 PM)
Wow, checked my rear derailuer and found out that the thin bar thing with small chain guide have being bengkok and rub my wheel spokes when i shift it to the easiest biggest cassate... Is there any solution to this or the whole rear derailuer have to be changed?
*
you are talking about your inner pulley cage plate? top or bottom of the plate

better change... if not, it snags onto your spoke and break it... then it will be a 100 dollar RD replacement vs 300 dollar wheel change..

bending it back isn't a good method...

best to get the shop to check... possible that the replaceable drop out is bent in the event of being hit and not your pulley cage...



mrjgx
post Feb 11 2012, 07:57 PM

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yeay.managed to finish my 1st 60km ride at sg buloh...clocked it at 2hrs and 54mins...my friend call it Dragon Back...we continue further to complete the whole loop..lot's of cyclists riding around that area..couldnt really keep up with the regulars there...and i think my friend is a hill climbing robot...different level from me the beginner tongue.gif

today was quite bad... lorries were everywhere and it's quite dangerous. so far so good, only that I have butt ache..hurm time to change to a comfier saddle and a proper bike shoe and pedal is a must! managed to clock my new max speed..64kmh rclxms.gif

it was freaking hot..40'C..got a leg cramp after having a short rest..lactic acid built up i think...

gonna ride more n more..next would be genting sempah and peres...but I have to train few times more at bukit tunku smile.gif

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tenno
post Feb 11 2012, 10:14 PM

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QUOTE(butthead @ Feb 11 2012, 04:12 PM)
i think the minoura roller still exists...never went to check if it does have magnetic resistance though...

you were with the national team? team telekom? Year 2000 i think still have the hongkie by the name of Wong and the indon tonton susanto and the local tsen seong hong right?

now i think all retired dah...
I was with the track team, I quit just as Josiah was starting to make a name in the national team. I was in the Sukom 98 project & also the Gemilang 2001 project team, 200m sprint & kilo.

I think U mean Wong Kam Po. I dunno where Seong is now, I met Joo Ngan 2 weeks ago. Haven't met him for quite sometime.

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