Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle Black. CK-1 cranks are Promaxs top-of-the-line carbon crank offering. The race-ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm s
Promax CK-1 Carbon Crankset – 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle Black. CK-1 cranks are Promaxs top-of-the-line carbon crank offering. The race-ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer. These cranks offer direct-mount chainring compatibility for additional weight savings or run them with a 4-bolt 104 BCD chainring adapter available separately.
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