Colorado Cyclist
Hayes HFX-MAG, -9, Sole Master Cylinder 2mm Push Rod Kit
- Colorado CyclistUp to 80% off through Dec 31$19.99Buy
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From Colorado Cyclist
Internally fitting service parts for Hayes hydraulic disc brake master cylinders. All HFX-MAG compatible master cylinder internals are designed for the current aluminum piston/2mm push-rod platform (2003 and newer)