Sturmey Archer Sprocket 21T 3/32" - Silver

This sprocket from Sturmey-Archer is designed as a dished rear cog to help achieve better chain alignment on compatible hub gear and single-speed style setups. The 21-tooth size offers a balanced gear ratio for everyday riding, providing a smooth cadence for commuting and utility bikes. Made for 3/32" chains, it’s a solid replacement when your current sprocket is worn, or a simple way to fine-tune gearing while keeping your drivetrain running quietly and efficiently.

- Dished sprocket design helps improve chainline alignment
- 21T size for balanced gearing on city and utility bikes
- Compatible with 3/32 inch chains used on many drivetrains
- Ideal replacement when the original sprocket shows wear
- Simple gearing adjustment without changing the rest of the drivetrain
- Helps maintain smooth quiet power transfer with correct alignment

Specifications
Brand: Sturmey Archer
Model: HSL210
Type: Sprocket
Teeth: 21 T
Size: 3/32"
Material: Aluminium
Color: Silver