The TT2021B alloy front knuckle arm is a replacement steering hub designed for Tamiya TT02 chassis owners. It swaps out the factory plastic knuckle for a metal unit that holds a ball bearing at the steering pivot. Supplied as a 1pr set, the part is intended for hobby-level tuning and service.
Keep the original nylon component where indicated by the instructions during installation. Verify steering linkage alignment and check bearing orientation so the pivot moves freely without binding. Use existing TT02 screws and pins and adhere to recommended torque values for final assembly.
This alloy knuckle enhances front-end stiffness compared with stock nylon parts and installs a bearing at the pivot to lower friction and slow wear. Expect a firmer steering feel and extended component life when combined with careful maintenance; make tuning changes gradually to dial handling.
Use this alloy knuckle to firm up steering and reduce pivot friction, and ensure proper fit by reusing the specified original nylon components during fitting.
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