Hex Head Crank Arm Bolts, 8mm x 15mm, Pack of 2

Hex Head Crank Arm Bolts 8mm x 15mm, Pack of 2

Hex Head Crank Arm Bolts, 8mm x 15mm, Pack of 2

Please check the interface of your crank arm is square. 8mm Hex Crank Arm Fixing Bolt and Cap replace the old bolts for your crank. Uses an 8mm hex wrench to install. 8mmx15mm Coated with blue antiskid adhesive. High strength chrome plated waterproof screw with waterproof plastic seal. If your crank arm is ovalized and keeps falling off. Replacing the bolt with keep the crank arm attached for a while but will eventually fall off. If this happens you will need a new crank arm. When the square taper is ovalized from wear, it will back out the bolt.

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