Treal Hobby Hardened Steel Differential Ring & Pinion Gears for Traxxas TRX-4M (12T/24T) Steam Engine Accessories 7v 400mAh Li-po 20C*1 pcsCharger:

7v 400mAh Li-po 20C*1 pcsCharger: USB cable*1pcsCharging time: 50-60 minsRemote control: 2

Full-size 2-channel transmitter

5" (38mm) up & down

Length: 733mm

Treal Hobby Hardened Steel Differential Ring & Pinion Gears for Traxxas TRX-4M (12T/24T) Steam Engine Accessories 7v 400mAh Li-po 20C*1 pcsCharger:This is the Treal Hobby Hardened Steel Differential Ring & Pinion Gears for Traxxas TRX 4M (12T 24T) Axle Differential Helical Gears Overview: Treal Hobby TRX 4M Hardened Steel Differential Ring and Pinion Gears. Constructed from CNC machined harden steel with a Helical teeth design for smoother operation, these optional differential gears are intended for the TRX 4M platforms to tremendously boost durability and reliability compared to the stock