XD Piggyback Shock 85mm (2)

it s waterproof*

It also fits great on top of your hauler bag when loading or unloading at the track

Fits other 5mm axle which use an M4 nut (like the Scorpion AX10)CNC 6061-T6 Aluminum construction

Another beneficial improvement comes from reduced weight

Hitec RCD - D-946TW 32-Bit, Multi-Purpose, Titanium Gear Servo HPI160030 XD Piggyback Shock 85mm (2)Features: Extremely Durable Titanium Gears High Response Circuitry Wide Voltage Capabilities 32 Bit MCU Technology Full Programmability Smart Sense Technology for Servo Analytics Specifications: 25 Tooth Output Spline Torque @ 6v 18kg 250oz in Torque @ 7. 4v 23kg 319oz in Speed @ 6v 0. 12 sec 60 deg Speed @ 7. 4v 0. 10 sec 60 deg Dimensions L x W x H (mm): 40. 0 x 20. 0 x 38. 0