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Old 04-08-09 | 07:04 AM
  #17  
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umd
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From: Santa Barbara, CA

Bikes: Specialized Tarmac SL2, Specialized Tarmac SL, Giant TCR Composite, Specialized StumpJumper Expert HT

Originally Posted by scirocco
Why are cranks like the SRAM S950 required? I sort of understand about the removable spider, but not properly. Do they somehow disassemble the spider from the axle and put the quarq sensor in between?
Yes, they remove the spider and put the cinqo in it's place. Every crank has a different spider interface.
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