It seems so small and insignificant, yet it's so important. The BB30 Wave Spring Washer is the keystone in your bottom bracket assembly, providing compression for proper setup and bearing preload, while helping to maintain adjustment after it's dialed in just right. They're also quite easy to lose or damage, so grab a few while you're at it.
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.
This is an FSA Self Extracting Crank Bolt for Hollow Carbon MegaExo Light Cranks - Designed to fit hollow carbon FSA cranks only - Includes M17 bolt, M27 self-extracting cap, and washers
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