The Real Speed TRK-1 crank set provides unmatched performance for the budget minded track rider. The TRK-1 offers super stiff T6 heat-treated 6061-aluminum arms, a CNC machined T6 7075 chain ring, and an external bearing bottom bracket. This combination translates to one incredible power-transferring crank set.
BCD: 144
1/8" Track Chainring

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