Ultima brand rear drive belt features a non-aramid tensile member that can withstand up to 20% higher horsepower loads than previous belts. 
The parabolic tooth profile (grooved) prevents air entrapment resulting in a quieter drive.  
A graphite-loaded, self-lubricating nylon fabric facing provides a low coefficient and wear resistance. 
128 teeth, 1-1/8" wide. 
Fits Sportster Models 1991 thru 2003.
Replaces HD# 40022-91.