Kyosho LAW77B - Aluminum Center Shaft (71.5/7075/ZX7.5) for LAZER ZX series  [KY-LAW77B]

Aluminum center shaft for LAZER ZX

This Kyosho LAW77B aluminum center shaft is a direct spare part option for LAZER ZX series models identified by the 71.5/7075/ZX7.5 designation. As an RC-scale driveline component, it replaces the original center shaft to restore alignment and rotational stability in the centre of the transmission assembly.

Manufactured from 7075-grade aluminum as indicated in the product name, the shaft provides a rigid link between gearbox elements while remaining a purely model-scale replacement. Use it when shaft wear, deformation, or bearing play affect drivetrain smoothness; swapping the shaft is a targeted repair that avoids full gearbox replacement.

Installation focuses on correct seating and bearing condition. During fitment, verify mating surfaces and running clearances, inspect adjacent ball bearings and spur/pinion engagement, and ensure the shaft spins freely before final reassembly. Fine adjustments to driveline mesh and balance can reduce vibration and improve predictability during tuning sessions.

This part serves a maintenance and tuning role on LAZER ZX series cars, offering a 7075 aluminum option for hobbyists who prefer a durable factory-pattern spare.