MOOSE RACING Rear Sprocket - 49 Tooth 1211-822-49-10 Clutch Expanders made entirely of steelCover

Expanders made entirely of steelCover is impact resistant

Reduces vibration and protects the exhaust if bike tips over

Rekluse sleeves eliminate basket wear and notching

Bushings are dyno-tested to 500

0 threads per millimeter allowing the tuner to adjust the tension on the chain to an exact specification = less friction and consistent cam timing = more power

MOOSE RACING Rear Sprocket - 49 Tooth 1211-822-49-10 Clutch Expanders made entirely of steelCoverThe 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets 100% machined, no stamping or grinding Optimal tooth thickness results in maximum tooth and chain contact