Arrma Front/Rear Composite Upper Gearbox Covers Big Rock Granite Kraton Senton 1.55 Wheels 32-pitch pinion gear set built

32-pitch pinion gear set built for the RBX10 front and rear differentials

and even after hundreds of thousands of cycles they don’t show any signs of wear

For use with all On30 scale electric trains

30 Ratio Arrma 6s

Woodland Scenics N Corner Emporium Built-&-Ready Structure

Arrma Front/Rear Composite Upper Gearbox Covers Big Rock Granite Kraton Senton 1.55 Wheels 32-pitch pinion gear set builtARRMA AR320399 Front & Rear Composite Upper Gearbox Covers Restore and reinforce your drivetrain and suspension with the genuine ARRMA AR320399 Front and Rear Upper Gearbox Covers. These tough composite parts are precision manufactured direct replacements for the kit supplied covers, cleverly integrating the gearbox cover, shock tower, body post mount, upper inner suspension mount, and steering brace into each piece for a consistent fit and easy