GMADE R1 Adjustable Main Shaft Kit GM237SAN by GPM  [GM237SAN]

Adjustable axle and steering shaft for R1

This multi-piece adjustable main shaft assembly is tailored for the GMADE R1 ROCK BUGGY and is supplied to let you tune axle lengths and steering link geometry. The design pairs a robust steel shaft with an alloy-bodied head to give a mix of rigidity and straightforward serviceability in slow-speed crawling situations.

Key functional elements include a universal swing-shaft cross-head that increases achievable steering and crawl angles, plus a pinned shaft head to reduce the chance of head disengagement during vertical motion. The package contains measured adjustable sections and small protection rings to help avoid direct metal contact with the body.

Install this set to fine-tune wheelbase or steering setups for trail and rock use, or to replace worn cross shafts after heavy crawling. Regular checks of the locking pin and silicone O-rings will help preserve alignment and extend part life. For official adjustment values and assembly steps, refer to manual GM54311 instead of relying on this summary for installation details.

A practical upgrade for trail rigs, the set delivers adjustable length options and locking features to help you refine geometry on the GMADE R1 ROCK BUGGY while keeping maintenance simple.