Raceface Crankarm,Aeffect,190Mm Black 170 aid With its 24mm internal rim

With its 24mm internal rim width

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the SPIKE Race 33 offers unmatched tire security and performance with or without tubes

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And if you're wondering what the "R" means: R is for Rally

Raceface Crankarm,Aeffect,190Mm Black 170 aid With its 24mm internal rimThe crank arms are deep pocket net forged from 6066 aluminum to optimize stiffness Features our CINCH removable spider interface which offers the ability to convert between existing chainring standards while remaining flexible to future developments Uses the trusted 24mm EXI interface spindle the Aeffect is a rock solid crankset for todays modern XC and trail rider For 170mm Fat bike spacing