Genuine Triumph Sprag Clutch Assembly — Part No. T1220090
This is the one-way sprag clutch (starter clutch) from the starter drive assembly — a genuine Triumph part, identical to the one fitted at the factory.
Measured dimensions:
Outer diameter: 93.24 mm
Overall thickness: 19.17 mm
Splined inner bore: 17.93 mm
Fitment: Various Triumph triples including Speed Triple and Sprint models. This part number spans several models and model years, so please check T1220090 against your own bike on a Triumph parts diagram before buying.
Notes on the photographs: the heat colouration visible on the steel is the factory heat-treatment finish. The blue mark on the outer plate is a factory paint dot. Sprags, cage and inner splines are unmarked.
Dealer price for this part is around €450. This is the genuine article at well under that, shipped from the UK with no import wait or customs charges.
G4