CK-1 Crankset
CK-1 cranks are our top-of-the-line design to maximize strength and minimize weight. Premium carbon arms spin on a massive 30-millimeter 7075 alloy spindle permanently fitted into the non-drive arm.
Specs
Crank Arm Material – Premium Carbon Fiber
Spindle Material – 7075 Aluminum
Spindle Diameter – 30mm
Weight – 448 grams (175mm). 520 grams w/ spider (sold separately)
Bolt Circle Diameter (BCD) – 104mm, or Direct Mount
Chainline – 43.5 ± 1.5
Q-Factor – 164
Additional Info –
Promax EX-2 30mm bottom bracket sold separately
104mm BCD 4-Bolt spider sold separately, 6061-T6 Aluminum
Compatible Promax Direct Mount Chainrings are sold separately, which allow you to eliminate your spider for ~68 grams of total weight savings
Pedal washers included (required)
Spindle Bolt Installation Torque: 35-40Nm
Spider/Chainring Installation Torque: 6-9Nm
Part Numbers
165mm • CK21-030CK165-BK
170mm • CK21-030CK170-BK
175mm • CK21-030CK175-BK
MSRP
$349.99
