5mm center hole for easy mounting

Check-valve/anti-drain back valve prevents drain-back and dry starts (where applicable)

If your Amal carbs need freshening up (and if you don't remember the last time they were cleaned and rebuilt

put in the first screw

Designed for use with a 16" rear wheel

5-Speed Gear Set 1991-2003 Harley-Davidson Sportster XL 94-02 Buell - Stock Ratio Thread Size_10-32 5mm center hole for easyAll 5 speed Sportster gears are made from high alloy nickel steel. Gears are then heat treated and shot peened to give maximum durability and strength. Also, where applicable, drive dogs have milled lead in ramps to improve shifting and reduce wear on drive dogs and slots. See Additional Information for fitment. Gears are made from high nickel alloy steel that is heat treated and shot peened for maximum durability and strength Set includes gears,