Thread: chain ring ?
View Single Post
Old 07-02-11 | 12:04 AM
  #2  
laura*
Shop Wench
 
Joined: Mar 2009
Posts: 284
Likes: 0
From: California
Originally Posted by Wayne Meuir
What is the difference in the chain rings that are used on a triple gear crank set vs the ones used on a double gear crank set?
A 42 tooth ring from a double does not need ramps and pins to lift the chain up from a smaller ring. A 42 tooth ring from a triple does need the ramps/pins.

And then further, sets of rings have their shifting helpers aligned between the rings.

Originally Posted by Wayne Meuir
I went to Shimano's Website looking for information but could not find anything specific.
http://techdocs.shimano.com/media/te...9830611835.pdf

http://techdocs.shimano.com/media/te...9830611836.pdf
laura* is offline  
Reply