STM slipper clutch for BMW S1000RR, £853 Time used: Test day and race at Snetterton 300 MRO Powerbike round What’s good: A CNC-machined work of art, which works with the standard clutch pack, it’s a shame the STM slipper clutch is hidden behind a cover. It’s lighter than standard, so helps the engine spin-up quicker. The main reason I’ve fitted ...
- Motorcycle Products
- Parts & accessories
- 09 August 2011