single speed

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Paul W
Posts: 153
Joined: Sat Oct 20, 2012 6:16 pm

single speed

Post by Paul W »

ive just got myself a single speed with 52x18 gearing.as i live in a lumpy area.im wanting to change the front chain ring to a 42-44. im a bit green to this SS lark. what im wanting to know. is there a front sprocket designed for SS or can you use a normal road gear?
G.
Posts: 500
Joined: Sun Sep 20, 2009 10:44 pm
Location: Power napping

Post by G. »

First, as with any chainring, you need to establish the number of bolts and the bolt circle diameter. Google it if you're not sure what I'm on about.

Normal road gears use a 3/32 inch width chain. Some fixed/ss bikes use 1/8 inch instead, which gives greater strength and durability. You can use a normal 3/32" chainring with a 1/8" chain if you've got a spare knocking around, although it would be silly to buy one if you're buying new, but you obviously can't use a 1/8" chainring with a 3/32" chain.

Basically, look at your chain. If it's the same width as your chain on your geared bike, use a normal chainring. If it's wider, buy a 1/8" chainring.
Paul W
Posts: 153
Joined: Sat Oct 20, 2012 6:16 pm

Post by Paul W »

many thanks.think ive got it sorted now. :)
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