This is a replacement sprocket for Sturmey Archer hub gears, specifically designed for single-speed and fixed-gear setups. The 20-tooth size gives you a moderate gear ratio, making it suitable for general riding on flat terrain or as part of a multi-speed Nexus system. The 1/8 inch chain compatibility means it's built for traditional single-speed chains, which are thinner and lighter than modern derailleur chains.
This is a replacement sprocket for Sturmey Archer hub gears, specifically designed for single-speed and fixed-gear setups. The 20-tooth size gives you a moderate gear ratio, making it suitable for general riding on flat terrain or as part of a multi-speed Nexus system. The 1/8 inch chain compatibility means it's built for traditional single-speed chains, which are thinner and lighter than modern derailleur chains.
The dished chrome design helps it sit properly on your hub while the chrome finish resists corrosion. This is an essential wear item that should be replaced when it becomes worn or
Free same-day Click & Collect. Order online and collect from our London workshop, usually ready within a couple of hours. We will email you the moment it is ready.
Home delivery. Dispatched the same working day on orders placed before 3pm. Standard UK delivery is tracked and typically arrives in 2 to 3 working days.
Fitting while you wait. Buying a part you would rather not fit yourself? Our mechanics can fit most parts on the spot. Just ask when you collect.
30-day returns. Changed your mind? Return any unused item in its original packaging within 30 days for a full refund.
This product has no reviews yet. Bought one? Be the first to tell other riders what you think.
Pop in, call us, or book the bike in. Our mechanics will sort it while you wait.