The Serpent SER110472 shim is an RC-scale thin washer intended to provide precise spacing on shafts, hubs and suspension link points. Its 4x7x0.5 designation is suited to small-scale assemblies and is offered as a spare for the Mini Spyder Monster truck where fine clearance control is required.
Functionally, a 0.5mm shim is used to eliminate play between moving parts, set bearing preload and align gear faces or wheel hubs. Use it where tiny thickness increments let you adjust axle height, runout or steering geometry without replacing larger components.
Fitment tips: slide the shim cleanly over shafts or bearing outers as needed, only stack matching shims when necessary to reach the target gap, and verify smooth rotation and correct gear mesh after every incremental change. Avoid forcing shims onto damaged surfaces to prevent distortion.
Tuning benefits: small precision shims allow low-risk adjustments to handling and drivetrain behaviour, making them useful for correcting minor misalignment or backlash without heavy modification. Keep a selection of sizes on hand for setup and repairs.
A practical spare for workshop use, this part gives dependable 0.5mm spacing accuracy in compact RC assemblies.
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