CNC machined with high precision for burrfree finish and standard threads, fits perfectly to keep water, dust and other elements out.
High-quality Material-The crank bolt is made of high-quality aluminum alloy, which is rust-proof, strong, firm and durable. Good processing with good texture can ensure a long service life.
Practical Function-This product is used to fix the crank and crank of the sprocket. It is suitable for mountain bikes and road bikes equipped with F C-4500 and F C-5600 crank pairs.
Easy to install by using the British 3/8inch (10mm) allen wrench(not included).
Suit for M18 18mm Crank Screw. It is a great accessory for bicycle enthusiasts.
