This GPM LB075R/PBT set supplies a 75mm rear adjustable spring damper paired with a protector mount intended for the Tamiya CW-01 (Lunch Box) RC chassis. The assembly is an aftermarket aluminium unit that replaces stock rear shock components and provides an adjustable spring arrangement for on-model suspension tuning.
The design purpose is to let builders and tuners alter spring preload and basic ride characteristics without changing the chassis geometry. The protector mount secures the damper to the chassis and helps protect the area around the mounting point during field use or when swapping components.
Installation notes: this is a direct-fit replacement for CW-01 rear shock locations, it installs in the same mounting points as the original assemblies, and basic hand tools used for RC maintenance are sufficient. Check thread engagement and fastener torque during reassembly to avoid looseness under load.
Use this set when you need a durable aluminium rear shock option for the CW-01 platform and want straightforward spring preload adjustment for tuning ride feel at the track or on informal runs.
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