The MX035 front brake caliper is an aluminium replacement part made for LOSI PROMOTO-MX 1/4 motorcycle RTRs, using 7075 alloy for greater structural stability in the braking assembly. The text here focuses on fitment, installation notes, and how the caliper affects brake setup without any implication of road vehicle application.
Swapping the original plastic caliper for this aluminium unit gives a firmer mount for the brake interface and secures the threaded hardware supplied in the package. It mates with the existing actuation linkage and standard brake disk on the named PROMOTO-MX RTR kits while keeping the factory mounting pattern.
LOS262009
For modelers updating PROMOTO-MX builds, this caliper offers a reliable metal upgrade to help dial in braking feel and maintain screw retention; always verify disc alignment and linkage clearance when fitting.
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