Tight tolerances and precise torque specs mean precision parts like this MegaExo 12 Left Arm Crank Bolt need to be replaced from time to time. Make sure the heart of your drivetrain is secure, and pick up a spare or two today.
Keep that front end tight and responsive, while preserving the integrity of the carbon steerer on your high-end fork with FSA's Headset Compression Plug. - Alloy top cap - For carbon steer tubes
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