Description
The Promax HF-3 Crank Spindle Bolt is the replacement fixing hardware for the non-drive-side arm on compatible HF-3 two-piece cranksets.
The HF-3 uses its own 30mm spindle system, so this is a model-specific service part for keeping an otherwise healthy crankset in use when the original bolt or cover hardware is damaged or missing.
Match it to an HF-3 crankset before fitting. Similar-looking crank bolts have an impressive talent for not being the same bolt.
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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