Fit the GPM GM237SAA drive shafts to your GMADE R1 ROCK BUGGY to gain a stable, lightweight drivetrain made from steel and 6061 T aluminium. Front lengths adjust between 122mm and 132mm while rear lengths adjust from 105mm to 115mm to nail alignment. A steel wire ring holds the screws firmly to prevent them backing out during rough runs. Choosing aluminium sections for part of the shaft lowers rotating mass and can help extend battery run time versus all steel units.
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