4 Pack Crank Wedge Cotter Pins 9.5x40mm For Bicycle Bottom Bracket Fit, Galvanized Steel Bike Repair Accessory Set For Moped And MTB, Easy Install, Secure Lock, Durable Ride Stability

4-Pack Crank Wedge Cotter Pins for Bike Bottom Bracket
✔️ 9.5x40mm, 6mm thread, zinc-coated steel, fits most bikes

These crank wedge cotter pins are galvanized steel fasteners designed to secure the crank to the bicycle bottom bracket. They’re commonly used on road bikes, mountain bikes, folding bikes, fixed-gear bikes, and mopeds to help keep the drivetrain stable during rides.

✅ Pack size: 4 pins for bike repair kits
✅ Pin length: 40 mm, diameter 9.5 mm
✅ Thread: 6 mm with 12 mm thread length
✅ Material: steel with zinc coating, color Silver
✅ Includes nuts and washers for quick installation
✅ Compatible with road, mountain, folding, fixed-gear bikes

💡 What is a crank wedge cotter pin used for in bicycle maintenance?

A crank wedge cotter pin is used to securely attach the crank to the bottom bracket and maintain drivetrain alignment. - Secures crank to bottom bracket on many bikes - Helps prevent crank loosening during pedaling and shocks - Works with nuts and washers included in the kit