R1Wurks R1B Gearbox R1W920015

This is the factory R1Wurks gearbox housing set for the R1B platform, providing the structural cases that enclose and support the drivetrain internals. The set includes both front and rear gearbox halves along with a small bracket piece, all molded in black composite plastic. Designed as a direct-fit replacement, these cases restore damaged or worn housings to keep your R1B running. Features: Molded black composite plastic construction Includes front and rear gearbox cases Direct factory replacement for R1B platform 7/7/26 cs