This is a MegaExo Left Crank Bolt for 19mm MegaExo Cranks. - M12 bolt

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.

FSA Crank Arm Fixing Bolts - Self-extracting crank bolt - 15mm

FSA bearings that set directly into the frame without the use of pressed in cups. - 36/45 degrees is Cane Creek-compatible - 45/45 degrees is Campagnolo-compatible

FSA Standard Headset Bearings