This bolt is the exact size fit for fixing the Disk brakes to Superstar Wheels. Its made from A2 Marine Grade Stainless steel & will never rust on you! Countersunk for flush neat fit into the disk - no protruding parts. Use a 2.5mm Allen Key to locate the bolt into the nut & use a 7mm spanner to tighten the nuts onto the bolts. Always try to tighten the nut onto the bolt and not the bolt into the nut & always ensure all nuts and bolts are tight before riding.
Bolt width = 4mm
Bolt length = 52.5mm