Tamiya TT02/TT02B Machined Main Shaft TT2B025 by GPM  [TT2B025]

Alloy centre shaft for TT02 and TT02B transmissions

This machined alloy main shaft is an RC drivetrain spare supplied as 1 pcs for Tamiya TT02 and TT02B chassis. It is intended to replace worn or damaged shafts during scheduled maintenance or when refining driveline performance.

Positioned in the central transmission, the shaft transmits torque from the motor and spur gearset to the downstream gears; when fitting, confirm correct orientation, inspect bearings and gear faces for wear, and set endplay to avoid binding. Retain and use the original mounting hardware rather than substituting unspecified fasteners.

Replacing a bent or worn shaft restores concentric rotation, reducing driveline vibration and promoting steadier power transfer and longer service life for spur gears and bearings. This component is an aftermarket spare or upgrade and does not alter chassis geometry or suspension settings.