Description
Specifically designed for the Promax CK-1 carbon cranks, this aluminium spider adapter allows the use of a 104 BCD chainring with CK-1 cranks.
About PROMAX
Promax develops bicycle components across BMX and other cycling disciplines, with a range covering cockpit, braking, drivetrain and control parts. The brand’s BMX presence is particularly visible in race-oriented products such as brakes, stems, seat clamps, chainrings and related hardware, where low weight, adjustment and reliable fit are important. Promax approaches the bicycle as a system of functional components rather than building its identity around one narrow product category. That...
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