Manufacturer of exhaust systems based in Holland. Supplies systems for most Thumpers.
Muz and Yamaha tuning parts (Switzerland)
Shocks absorbers based upon the Girling design. Also sell uprated Fork Springs
A supplier of Thumper parts based in Germany. Web-site is in German but emails will be responded to in English.
Ex Girling engineer producing shock absorbers to a similiar but updated design.
A supplier of Thumper parts based in U.S.A
