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Description
Replacement Sprocket Stack for Brompton’s Advance 4-Speed Drivetrain
This sprocket set refreshes the rear gearing on Brompton’s Advance (Mk6) 4-speed setup, restoring crisp shifting and smooth chain pickup when your original sprockets start to wear. It’s designed for the Advance rear wheel used on P Line and T Line bikes.
The kit includes the sprockets and the small parts that build the full stack on the hub, so you can service the drivetrain without hunting down individual spacers and lockring pieces.
Engineered Simplicity
- Complete Advance (Mk6) 4-speed sprocket stack for P Line and T Line
- Includes 11T, 13T, 15T, and 18T sprockets
- Includes required spacers, chain guard, and lockring for correct stack height
- Designed to be used with the Advance 10-speed (hollow pin) chain format
- Lightweight replacement parts to keep the drivetrain running smoothly
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Default | Q102695 | 5053099042241 |
