LAZER ZX7.5 Center Shaft (95/7075 Aluminum) - Kyosho LA407  [KY-LA407]

Precision 95/7075 center shaft for LAZER ZX7.5

This LA407 aluminum center shaft is a scale replacement engineered specifically for the LAZER ZX7.5 drivetrain. Machined from 95/7075 grade aluminum, the part helps preserve straightness and reduce deflection under normal 1/10 touring car loads.

Fit and compatibility focus on the LAZER ZX7.5 platform; always confirm hole alignment and bearing inner diameters against your chassis before final assembly. The center shaft locates the center gear train, transfers torque between gearbox sections, and influences driveline backlash and runout.

Installation notes: inspect adjacent bearings and gear faces for wear prior to fitting, replace damaged 走珠軸承 if required, and make sure the shaft seats fully without binding. Use appropriate thread locking on fasteners where threads pass through rotating elements, and avoid over-tightening screws to prevent bearing preload.

Tuning role: a stiffer, precision-machined center shaft can reduce undesirable flex and deliver more consistent behavior under acceleration and braking, aiding in differential and suspension setup. Expect modest, tangible improvements in drivetrain feel rather than large jumps in lap times.