Vortex 520 chain and sprocket kits.
We can do kits for all common race bikes ex stock.
Each kit includes hard coat rear alloy sprocket (where available), hardened steel front (lightened) and a race chain to suit.
Machines up to 750 cc kits are $310 (SV3 chain)
Machines up to 1000cc kits are $349 (RV3 chain)
We can also do kits for lightweight bikes with sprint type ringless chains, please email us for info or questions firstname.lastname@example.org