This aluminium wheel set is made for 1.9" crawler projects and ships as a 24 piece kit suited to builders and tuners. The machined aluminium parts increase long term durability and add mass versus stock plastic wheels, and each finished wheel is approximately 170g, which functions as external ballast to alter low speed crawling behaviour.
The kit contains metal wheel discs, rim halves, centre caps and flat head M2.5x7 screws for straightforward assembly, letting you join the outer and inner rim sections with the supplied hardware. Wheels are designed to fit 12mm hex hubs commonly used on crawler platforms; verify hex size and hub fit on your model before fitting.
From a tuning angle, these wheels act as both a stronger structural wheel and as added rotational mass to help momentum and traction over obstacles. Fitment uses a standard 12mm hex mount, correct torque on the M2.5 fasteners, and routine use of thread locker where appropriate to avoid loosening on the trail.
Choose this wheel set when you want a rugged aluminium option for 1.9" crawlers using a 12mm hex, and factor the extra rim mass into suspension and gearing choices for controlled low speed performance.
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