All 520 Aluminum Race kits feature RKa??s premium, lightweight RX or XW-ring sealed racing chain with a gold finish
Kits include a premium Driven® 7075 T6511 lightweight Aluminum black hard anodized rear sprocket paired with Driven® C45 steel case hardened and quenched front sprockets
Kits include one-tooth-smaller-than-stock front sprocket
RKa??s 520 Aluminum Race Kits combine the enhanced performance of race gearing and lightweight rear sprockets to reduce rotating mass
Experience quicker starts and quickest to your bikea??s red line in every gear without sacrificing normal ride and handling
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