The 3RACING Aluminum Center Pulley Gear T21, model number 3RAC-3PY/21, is made to strengthen your RC vehicle's drive system while keeping rotating mass low. Machined aluminum construction gives a useful balance of rigidity and light weight, making it a smart swap for hobbyists after longer component life on the track.
Aluminum offers a notable mix of durability and low weight that helps preserve top-end speed and drivetrain efficiency. Compared with stock plastic pulleys, the metal unit stands up better to repeated high-load runs and abrasive surfaces, helping cut down on replacement frequency.
This pulley suits a wide variety of 1/10 scale RC cars and can be installed with standard hand tools. Check gear alignment and belt or shaft interfaces during installation to ensure smooth operation without extra modifications.
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