Promax CK-1 Carbon Crankset – 165mm 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.

Premium carbon crank arms are lightweight and extremely strong

30mm chromoly spindle provides increased stiffness and efficient power transfer

Designed and optimized for chainrings with SRAMs 3-Bolt mount style (bolts sold separately. SKU number CK2203 recommended)

Compatible with Promax 4-Bolt 104BCD Spider/Adapter for CK-1 cranks (sold separately)

Pedal washers included and required

Bottom bracket sold separately

• TECH SPECS

Rings Not IncludedNumber of Chainrings No Rings No Spider IncludedDrivetrain Speeds Single Speed 3/32″Chainring BCD Direct Mount SRAMChainring BCD 104Chainrings Included NoColor BlackCrankset Style 2-PieceCrank Length (mm) 165Crank Intended Use BMXPedal Spindle 9/16″BB Included NoDefined Color Black