Log in   Register  

FAQ   Search   Memberlist  
Point83.com Forum Index  »  Wrenches, Gears, Lawns, and Routes  »  crank length
 Post new topic   Reply to topic
Page 1 of 1    
 
sekai
Posted: Tue Feb 14, 2006 1:38 pm Reply with quote
Joined: 25 Jul 2005 Posts: 1466 Location: on the lake

hey, joe, my coworker who built his st fixie at one of aaron's shop nights is having a problem. his toe cages hit his front wheel. there is apx 1/2 inch overlap. it is worse now due to the front fender. i thought he might be running long cranks, but they are 170's. thoughts?
View user's profile Send private message
 
eternalignorance
Posted: Tue Feb 14, 2006 1:41 pm Reply with quote
Joined: 08 Jan 2006 Posts: 359 Location: Imaginary Places

sekai wrote:
hey, joe, my coworker who built his st fixie at one of aaron's shop nights is having a problem. his toe cages hit his front wheel. there is apx 1/2 inch overlap. it is worse now due to the front fender. i thought he might be running long cranks, but they are 170's. thoughts?


tell him track stands arent that cool anyways.
View user's profile Send private message Send e-mail
 
joeball
Posted: Tue Feb 14, 2006 1:47 pm Reply with quote
Joined: 24 Jul 2005 Posts: 6037 Location: Ether

sekai wrote:
hey, joe, my coworker who built his st fixie at one of aaron's shop nights is having a problem. his toe cages hit his front wheel. there is apx 1/2 inch overlap. it is worse now due to the front fender. i thought he might be running long cranks, but they are 170's. thoughts?


Well to loose that 1/2 an inch he'd need 160mm cranks. I run 170's with fenders and clipless pedals and I don't have a problem with toe overlap. I think running clipless may move his foot back and alleviate the problem.
View user's profile Send private message
 
sekai
Posted: Tue Feb 14, 2006 1:55 pm Reply with quote
Joined: 25 Jul 2005 Posts: 1466 Location: on the lake

no track stands, ate shit, just mounting and turning the wheel at a stop light. due to $ clipless is not the best option. the head tube just has a steep? angle to it. he might need to try 160's
View user's profile Send private message
 
lantius
Posted: Tue Feb 14, 2006 2:00 pm Reply with quote
1337 Joined: 22 Jul 2005 Posts: 6705 Location: right over

he could also go with a smaller front wheel. henry can fill him in on the details.
View user's profile Send private message Send e-mail
 
Aaron
Posted: Tue Feb 14, 2006 2:05 pm Reply with quote
Joined: 25 Jul 2005 Posts: 4645

sekai wrote:
no track stands, ate shit, just mounting and turning the wheel at a stop light. due to $ clipless is not the best option. the head tube just has a steep? angle to it. he might need to try 160's


On a bike with toe overlap, you just have to learn to deal with it. 160mm cranks are not available. Converting the bike to 650A or 650B wheels might solve the problem. It did on my Colnago and I use fenders .

The problem is the front center (bb to front axle dimension) is short. Most track bikes have toe-overlap and so do most road bikes. The only way to not get it is by a shallow head angle (changes handling) or a long top tube (changes fit). Terry bikes "solve" the problem with a small 24" front wheel.

Toe overlap is really only a problem if you make it one. Get used to it or get a different bike! If you bring the bike by my shop I can look at it and see if the small wheel trick will work.
View user's profile Send private message
 
SeditiousCanary
Posted: Tue Feb 14, 2006 2:09 pm Reply with quote
sorry, can't make it! Joined: 26 Jan 2006 Posts: 2315 Location: Fremont Troll

Aaron wrote:
On a bike with toe overlap, you just have to learn to deal with it.

Recognize...

It's really the best way. Much like pedaling thru corners on a fixed gear, you just have to learn how to do it.
View user's profile Send private message Send e-mail
 
sekai
Posted: Tue Feb 14, 2006 2:10 pm Reply with quote
Joined: 25 Jul 2005 Posts: 1466 Location: on the lake

thanks, he's just had several problems with this. i've got overlap and it's ok with me. we'll see what he wants to do.
View user's profile Send private message
 
lantius
Posted: Tue Feb 14, 2006 2:12 pm Reply with quote
1337 Joined: 22 Jul 2005 Posts: 6705 Location: right over

technically, you can make 160mm cranks from 180mm cranks using a hacksaw and a drill, if you really need them. saw off the end and re-drill and tap new holes further down the crankarm.
View user's profile Send private message Send e-mail
 
joeball
Posted: Tue Feb 14, 2006 2:23 pm Reply with quote
Joined: 24 Jul 2005 Posts: 6037 Location: Ether

I didn't mean to imply that 160mm cranks are common, but they are available. What kind of frame is it justin?

http://aebike.com/page.cfm?action=details&PageID=30&SKU=CR5028
View user's profile Send private message
 
Aaron
Posted: Tue Feb 14, 2006 2:27 pm Reply with quote
Joined: 25 Jul 2005 Posts: 4645

Oh, yeah, BMX Mini cranks. Those are designed for 8 year olds!
When I had my adjustable cranks on, I rode 155mm just to see what it was like. Not too bad, but you can feel the drop in leverage when going uphill.

For flats and down hill, they were fine.
View user's profile Send private message
 
seaden
Posted: Tue Feb 14, 2006 7:22 pm Reply with quote
Joined: 09 Dec 2005 Posts: 397 Location: CapHill

I ride fairly small frames 50-51-52cm and of my three bikes two have toe overlap..I had a black miyata 310 road bike once and it also had really bad toe overlap...I hate it but as long as it isn't too bad...then it's fine.

_________________
Somec Pista | Pinarello Pista
View user's profile Send private message
 
Reply to topic
    Display posts from previous:  
Page 1 of 1    
Point83.com Forum Index  »  Wrenches, Gears, Lawns, and Routes  »  crank length
All times are GMT - 8 Hours
The time now is Fri Aug 11, 2023 6:28 am
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
 


Forums | Calendar | TOS | Tapirs

© 2004-2015 Point83
Point83 is a wholly owned subsidiary of the Joby Lafky Corporation