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Alpha Drive B



AL6061/T6 cold forged aluminium crank arms, with monocoque crankarm/spider. AL7075/T6 stamped outer
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Alpha Drive B
AL6061/T6 cold forged aluminium crank arms, with monocoque crankarm/spider. AL7075/T6 stamped outer chainring, ramped and pinned for perfect shifting. Ramped and pinned 32 tooth stamped 2014 alloy middle chainring and steel 22 tooth inner chainring. 104/64mm BCD, chromoly chainring bolts, Q-Factor - 170mm and chainline - 48mm.

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