The package includes 2 pieces of M19 crank arm mounting screws. Fits 19mm crank bolt
The crank screw is made of aluminium alloy material, high strength, corrosion resistant, sturdy and durable.
CNC machined with high precision for a burr-free finish and standard thread, fits perfectly to keep water, dust and other elements out.
Easy installation with the UK 3/8" Allen key (10mm) (not included).
The crank fixing screw is used to attach the crankset and crank of the sprocket and is suitable for mountain bikes and road bikes.