This aluminum front wheel hub hex is an RC-scale replacement part for LOSI Promoto-MX style motorcycles, model JR-LMX02-GD. The component interfaces the wheel and axle and matches the hex-style wheel retention used on Promoto-MX chassis layouts.
The golden anodized finish identifies the aluminium material and helps resist surface wear during regular use. As a machined hop-up item, it replaces stock plastic hexes or outdated metal hexes to make wheel changes easier and improve long-term durability of the front wheel mounting area.
Installation notes: remove the wheel assembly following your model's normal procedure, slide out the existing hex, and fit the aluminium hex in the same orientation. Verify axle clearance and secure any retaining hardware to the torque or fitment recommended for your Promoto-MX setup. After installation, inspect wheel spin and bearing alignment before running.
Tuning role: fitting an aluminium hub hex improves repeatability of wheel positioning and speeds maintenance when swapping tyres or servicing bearings. Choose this part when you want consistent mounting geometry without changing axle or suspension settings.
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