a pair of Bicycle Bottom Bracket Screw Axle Bolts Crank Bolts - thread size 8x1mm 2pc

Features:

Waterproof bottom bracket nuts for mountain bikes can effectively prevent water, sand, dust, etc.

from entering the bottom bracket, effectively increasing the service life of the bottom bracket.

Mountain bike road bike dead-speed bottom axle steel waterproof screw, diameter 8mm,

suitable for ordinary square hole bottom axle, bottom axle is not suitable, use two screws on one bottom axle

Specifications:
Material: Steel
Colour: As pictured
Type: M8x15
Thread size: 8 x1mm
Suitable for square cranksets & BB along with many others requiring a M8 x 1 mm thread.
Weight: about 13g
Application: Bicycle square hole central axis
Suitable for 8mm Allen wrench

Package Contents:

2 x Crank Bolts