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steel road, fixie, & MTB
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611 Posts
Discussion Starter · #1 · (Edited)
What is BB drop measures and how does BB drop affect a fixie's handling, esp. turrning/cornering?

Bottom Bracket drops:

Soma Rush is 58mm
and
Surly Steam Roller is 70mm
and
IRO Mark V is 50mm


what's the BB drop a Bianchi Pista?

(assume 55 or 56 frame)
 

·
steel road, fixie, & MTB
Joined
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611 Posts
Discussion Starter · #3 ·
170 or 165mm crank's also a good ideal?

tobu said:
BB drop is the distance the BB is below the imaginary line connecting the front and back drop outs. A smaller drop helps increase pedal clearance at the expense of a higher center of gravity. Keirin lore also contends that smaller drops favor acceleration while bigger drops favor top end speed.
thanks, tobu

ah, so a short BB drop (say 5cm) is a "good" thing for a fixie, as to lessen the likely hood of smacking the pedal while cornering.

then is going with a 170 or 165mm crank's also a good ideal? (I'm 5'10)
 
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