The 3Racing TA05-21A centre bulk pulley set is compatible with TA05, TA-05IFS and TA05-R chassis and includes three pulley options, 16T through 18T, so you can fine-tune power delivery for circuit demands.
Choosing the right pulley reduces unwanted drivetrain movement and results in smoother acceleration and more predictable throttle response during races.
Swap pulleys in the centre bulkhead, verify mesh and run measured test laps to assess how each tooth count impacts handling and top speed before finalising your setup.
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