VORTEX Steel Rear Sprocket - 45 Tooth 438S-45 2009-2017 Feature a break-away tip to

Feature a break-away tip to help avoid bikes and riders from becoming attached after collision

Double layer of pre-preg carbon

Riders and race teams worldwide praise these stacks for unlocking game-changing performance at an unmatched value

aimed to enhance the torque and maximum power

VORTEX Steel Rear Sprocket - 45 Tooth 438S-45 2009-2017 Feature a break-away tip toSteel Rear Sprocket 45 Tooth Steel rear sprockets are made from carbon steel and electroplated with a satin black finish that resists corrosion; teeth are hardened so sprocket will hold up to many miles, without affecting strength, Steel rear sprockets are also cupped down from the tooth ring to body to reduce as much weight as possible