4 Bottom Brackets - M8 Threaded Curve Screws for Bicycle Cranks - Waterproof Spinning Bolts

• Product content: You will receive 4 pieces of threaded screws with specifications of M8*18mm. The quantity is sufficient for your daily use.
• Product material: The screws are made of steel, which is strong and durable, corrosion-resistant and not easy to rust, and can be used for a long time.
• Application function: Screws can effectively avoid the impact of external water, sand, soil, etc. on the central axis and increase the service life.
• Regular maintenance: In order to ensure the normal operation of screws, their tightening status needs to be checked regularly and replaced when necessary. At the same time, use in extreme temperature and humidity environments should be avoided to extend its service life.
• Interesting gift: This M8 screw is suitable for giving to relatives, friends or bicycle enthusiasts as an interesting gift, which reflects your care and love.

screw Quantity: 4 pieces Material: steel Specifications: M8*18mm Features: Widely used in square crankshafts and traction bearings on most bicycles.