The TT2021B alloy front knuckle arm is an aftermarket steering hub built for the Tamiya TT02 chassis. It replaces the stock nylon knuckle with a metal component that accepts a ball bearing at the steering pivot. The unit is supplied as a 1pr set and is intended for hobbyists carrying out tuning or maintenance.
During installation retain the specified original nylon piece as directed. Check steering linkage alignment and confirm the bearing is correctly seated so the pivot rotates freely without binding. Reuse existing TT02 hardware and follow recommended torque settings for secure assembly.
Functionally this alloy knuckle increases stiffness over a stock nylon part and situates a bearing at the pivot to reduce friction and wear. Expect improved steering response and longer component life when used with a properly maintained steering system; make setup changes incrementally when tuning handling.
Fit this alloy knuckle to firm the front end and lower pivot drag, ensuring you keep the specified original nylon elements for correct fitment.
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