Thorn Cycles Forum

Community => Rohloff Internal Hub Gears => Topic started by: tressell69 on March 06, 2011, 07:45:31 PM

Title: IDEAL BOTTOM BRACKET LENGTH
Post by: tressell69 on March 06, 2011, 07:45:31 PM

Can anybody enlighten me .
Im building up a Thorn Raven Tour and was wondering whats the ideal BB length for correct Rohloff chain alignment

Cheers R :'(aymy

Title: Re: IDEAL BOTTOM BRACKET LENGTH
Post by: julk on March 06, 2011, 08:45:57 PM

R,
I have Rohloff Thorn with a 73 mm bottom bracket shell, the axle length is 119 mm.

I suspect that would equate to a 68 mm bottom bracket shell and axle length of 114 mm for the RT.

Hopefully someone with a RT will come along soon and reveal all.
Julian.

Title: Re: IDEAL BOTTOM BRACKET LENGTH
Post by: rualexander on March 06, 2011, 08:46:26 PM

Depends on what chainset you are using I think?

Title: Re: IDEAL BOTTOM BRACKET LENGTH
Post by: olekje on March 07, 2011, 06:11:14 PM

My Raven Tour from 2009 has got this bottom bracket: Part 12986L110 (Kitpart) Shimano UN54 Bottom Bracket 68mm shell English thread 110mm according to Andy from SJS.

Ole

Title: Re: IDEAL BOTTOM BRACKET LENGTH
Post by: westofsouth on April 22, 2011, 09:32:22 AM

For further insight see:

http://www.thorncycles.co.uk/forums/index.php?topic=3118.msg14315