
Mainshaft Bearing - EASTERN MOTORCYCLE PARTS (Manufacturer Ref. A-35030-89): replacement bearing in "Trap Door" format designed for 5-speed transmissions. Part sold individually for interventions on the gearbox during a service or repair.
Designed for use during the refurbishment of the 5-speed gearbox, this bearing is positioned on the mainshaft and works alongside the gear/roller assembly in managing torque and gear changes. It is aimed at riders who are refurbishing the transmission, replacing a worn bearing, or performing preventive maintenance on their Sportster.
Common Compatibilities: Harley-Davidson XL 1200 X ABS Sportster Forty‑Eight (2019), XL 1200 CX ABS Sportster Roadster (2019), XL 1200 C ABS Sportster Custom (2019). Please check the reference and application on your model before ordering to ensure compatibility with your machine.