DRIVEN RACING Rear Sprocket - 45-Tooth 5178-520-45T Competition Muffler Packing with a shorter inner core

with a shorter inner core length and aluminum canister

TorqDrive® provides more discs in less space

Each rotor is individually heat-treated and double-disc parallel ground to ensure perfect-flatness

Designed specifically for Enduro riding Hybrid collar construction for maximized comfort and an ergonomic feeling

Replaces the plastic cover on bike

DRIVEN RACING Rear Sprocket - 45-Tooth 5178-520-45T Competition Muffler Packing with a shorter inner coreOne of the lightest 520 steel sprockets available today Designed using our proprietary EST Technology Performance and longevity all in one sprocket Attractive black zinc semi gloss finish Lowered surface to remove unnecessary weight