New Drive Systems 520 Conversion Superlite steel sprocket kits with D.I.D. 520ERV3 race chain.
Kits are complete with a chromoly steel drilled front sprocket, New lightweight Superlite black steel rear sprocket, D.I.D. 520ERV3 gold X'ring race chain cut to length and a rivet style master link.
You select the gearing.
Superlite kits weigh only 8 ounces more than our alloy conversion kits but last three times the life.
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