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Old 06-20-2013, 05:11 PM
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Moto Moto is offline
Motorized Bicycle Elite Member
Join Date: Jan 2012
Location: San Francisco, CA.
Posts: 388
Default Re: Certain type of derailer for a shift kit?

for race bikes only

40$ holy shiit but w/ ceramic bearings it must spin for years. I also race XC mtbs and cyclocross I have seen some people running these.
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