DRIVEN RACING Rear Sprocket - 45-Tooth 5178-520-45T Competition Muffler Packing Bio Flex knee armor allows

Bio Flex knee armor allows high levels of movement and has a slim design to ensure the protector is discreet off the bike

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

with a shorter inner core length and aluminum canister

Soft hand print

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

DRIVEN RACING Rear Sprocket - 45-Tooth 5178-520-45T Competition Muffler Packing Bio Flex knee armor allowsOne 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