2pc Hexagon Socket Waterproof Screw Bicycle Mountain Bike Square Hole Central Screw For MTB Mountain Bike Bicycle Bottom

Brand Name : TOOPRE Origin : Mainland China Hign-concerned Chemical : None features: * brand new and high quality. *Made of high-quality materials, . *Usage: Sealing the bottom bracket screw can effectively prevent the bottom bracket from being affected by external water, sand, and soil, which will reduce the life and performance. Product parameters: Material:Metal size:2.5*2cm Package List: Screw*2