Description:

UNIQUE CHAIN - This sprocket is only compatible with #428 chain.. WIDE COMPATIBILITY - While designed for the Coleman AT125-EX and AT125-UT ATV, it may fit many other karts and mini bikes with the same bolt pattern.. SPROCKET DIAMETER - 7.31" (186 mm). CENTER HOLE DIAMETER - 1.88" (48 mm). CENTER-TO-CENTER MOUNTING HOLE DISTANCE - 2.65" (67.4 mm).