5 Piece 48P Pinion Gear Set 17T 18T 19T 20T 21T For 3.175mm Shafts With Hex Key Beef Up Your 1 10 Scale RC Cars Traxxas HSP Arrma HPI Axial Tamiya Losi Brushless Motors
✔️ 5-piece 48P pinion set 17T-21T for 3.175mm shafts
Upgrade your 1/10 scale RC car with this pinion gear set, designed for 3.175mm shaft sizes. This 5-pack covers 17T through 21T to fine-tune speed and torque, pairing with matching 48P spur gears for reliable meshing on brushless platforms from Traxxas, Arrma, HSP, HPI, AXIAL, Tamiya, and Losi. Hardened steel construction ensures long wear life, while grub screws and a hex key provide quick, secure installs.
✅ 48P pinions: 17T, 18T, 19T, 20T, 21T for 3.175mm shafts
✅ Hardened steel construction for long wear life
✅ Includes grub screws and hex key for quick install
✅ Compatible with many 1/10 scale RC cars (Traxxas, Arrma, HSP, HPI, AXIAL, Tamiya, Losi)
✅ Lets you dial in speed and torque by changing tooth count
💡 What is a pinion gear set used for in 1/10 scale RC cars and how does it affect performance? This handy upgrade helps you dial in acceleration and top speed by changing the tooth count. - Adjusts gear ratio to balance torque and top speed - Works with 48P spurs and 3.175mm shafts - Great for brushless motor setups and performance tuning