Old 12-30-11, 01:22 PM
mtbjeff's Avatar
Join Date: Mar 2010
Posts: 34
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by ColonelJLloyd View Post
It shouldn't be too difficult to find TA cups and spindles. You are going to run the drive crank as a double, right? If you want a sealed BB unit I'd probably go with a spindle length of 115 or so.
The 115mm sounds narrow after looking at Sheldon Browns TA chart that calls out a 127mm for a Tandem. It might take a few fit checks to zero in on the size I need.

Below is a screen capture from Sheldon Brown : http://sheldonbrown.com/bbsize.html

mtbjeff is offline