Single Speed Bike Freewheel With 13 Tooth Pinion Gear For Half Inch By One Eighth Inch Bike Chains Dope Carbon Steel Sprocket For Durable Chain Wheel And Smooth Power Transfer On City And Trail Rides

13-Tooth Carbon Steel Pinion Sprocket for 1/2x1/8 Chains
✔️ 13 teeth, 12.7mm pitch, 11mm bore, 58mm OD, 9mm thick

Premium compact pinion gear crafted from carbon steel for single-speed bikes. Designed for 1/2x1/8 chains and standard mounting, making it ideal for city rides, trail setups, and DIY e-bike builds.

✅ Material: Carbon Steel
✅ Teeth: 13 teeth, 12.7mm pitch, 3mm thickness
✅ Bore/OD: 11mm bore, 58mm OD, 9mm thick
✅ Chain compatibility: Fits 1/2x1/8 chain
✅ Motor compatibility: 1016Z2, 1016Z3, 1018 reducers

💡 What is a pinion gear used for in bicycles or motorized drives?

Pinion gears are compact drive gears that engage with a larger cog to transfer power efficiently.

- pinion gear in drive systems improves power transfer - handy for e-bike conversions and motorized builds - works with standard 1/2x1/8 chains on city bikes