2Pcs Capless Bottom Bracket Screws Bike Hexagonal Crank Arm Bolt Replacement Bicycles Crank Screw for Bicycles Crank Arm

Features: Make from Steel materials, it have good mechanical property, toughly, and corrosions resistance. High hardness & tensile strength, low wear tear, Enduring & reliable use. Suitable for installing middle axles of bicycles square hole. Accurate and smooth tapping, easily installation. Suitable for installing the center axles of various bicycles, such as mountain bicycles, foldings bicycles.

Specifications: Materials: Steel Styles: about 8mmx15/10mmx14/12mmx14/15mmx15 Details size as shown in the picture

Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Package includes: 2Pcs Bike Hexagonal Crank Arm Bolts