tsubaki sigma xrg chain for aprilia 3OM 8 x 21 x 33

8 x 21 x 33

All are billet aluminum in chrome or black anodized with throttle sleeves installed

Comes as a compact fold-up unit manufactured from heat treated chrome vanadium

Tread compound is designed for excellent grip with extended tread life

tsubaki sigma xrg chain for aprilia 3OM 8 x 21 x 33Tsubaki Sigma XRG Chain for Aprilia 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