tsubaki sigma xrg chain for yamaha BS90 Dunlop's iGT design lends the

Dunlop's iGT design lends the Roadsmart 3s an aggressive look

Outer diameter (Largest): 101x76mm

For gas tanks with M22x1 thread

3 interchangeable anti-fog lenses included: Smoked

tsubaki sigma xrg chain for yamaha BS90 Dunlop's iGT design lends theTsubaki Sigma XRG Chain for Yamaha The Tsubaki Sigma XRG is an X ring chain featuring a very thin 'o ring' with an X shape which offers a drag reduction on rollers and side plates. The reduction in drag is such that efficiency is almost increased to the same level as a regular roller chain, with the longevity of a regular o ring. This is the quality Tsubaki chain which combines superior strength and performance with the longevity of o ring type