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Technical & Reference Section => Tech and Restoration => Topic started by: deeman on December 18, 2011, 06:55 PM

Title: BOTTOM BRACKET QUESTION!does anyone know....
Post by: deeman on December 18, 2011, 06:55 PM

what size bottom bracket i should run with a set of redline proline cranks?im a bit confused!! :idiot2: :idiot2: :idiot2:is it a US?

Title: Re: BOTTOM BRACKET QUESTION!does anyone know....
Post by: rooski on December 18, 2011, 07:02 PM

US bb,but be careful though,some prolines had a 20mm axle,others standard 19mm :daumenhoch:

Title: Re: BOTTOM BRACKET QUESTION!does anyone know....
Post by: Dark Diggler on December 18, 2011, 07:15 PM

Andy of the roosk is right some proline had 20mm axle, the type off bb depends on the frame, what frame is it?

Title: Re: BOTTOM BRACKET QUESTION!does anyone know....
Post by: HEYWOOD BMX on December 18, 2011, 07:17 PM

 :) Most earlier Prolines were 20mm,2006 onwards are 19mm-best get the Vernier calipers out :daumenhoch:

Title: Re: BOTTOM BRACKET QUESTION!does anyone know....
Post by: deeman on December 18, 2011, 07:29 PM

Its an 85/86 RL-20.yes vernier calipers,i was wondering how to measure the spindle.thanks guys that should help! :daumenhoch: