MOOSE RACING Rear Sprocket - 50 Tooth - Yamaha 1211-853-50-11 O2 Sensor Bung Kit 83% Acrylic / 15% Wool

83% Acrylic / 15% Wool / 2% Spandex

with tacky grip print to hold goggle in place

High-quality plug-n-play design Eight-color changing LCD display Features tachometer

Just what your ZX needs to clean up the tail section from Gravesport

5db Stock DB at 5000 rpm 87db

MOOSE RACING Rear Sprocket - 50 Tooth - Yamaha 1211-853-50-11 O2 Sensor Bung Kit 83% Acrylic / 15% WoolThe 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