RGT Hobby would like to introduce Pro Runner EX86170 1/10 4WD off-road crawler for all terrain.The package comes with realistic detail body shell with high grade glossy paint. It also comes with new design of realistic wheel with memory foam insertions. CHALLENGER adopts portal axle structure, two-speed transmission, DIG system, rear axle locking function, and the freely switched front-wheel drive and four-wheel drive mode, 6.6% overspeed ratio between front and rear wheels , and a reverse drive system design, focusing on climbing performance. CHALLENGER has a truck-shaped appearance with two-section combine soft and hard shells, which can fully reflect the powerful climbing performance effect and modification needs. It’s also equipped in factory with winch unlock function, rear axle housing Anti-roll bar, spare tire, LED light group , 8-channel transmitter and other entertainment highlights.

Full metal gears, high-precision rubber sealed bearings, and steel central CVD. 
Metal Axle Housing and Metal Baking Finish Axle Housing Cover
The second-grade gears assembled in Axle housing are made of metal. 
CVD metal ball joint semi-shaft
Caster Hub and Steering Mount use impact resistant nylon material
25KG -360 degree metal winch steering gear design
Hidden conduit wire rope design
The original winch wire can stretch up to 90CM and support up to 15KG of tensile weight
Steering servo mounted on axle housing, brings more direct turning performance
When in extreme tight rail, through steering servo torque, it has a better ability to cross
Anti-roll bar added in rear axle housing
Suspension system uses CNC aluminum alloy coil-over hydraulic shock absorber
Equipped with 35T RC550 super torque motor, “Hobbywingâ€?WP-1060 waterproof metal gear ESC for crawler
25KG all-metal gear waterproof servo
ESC that supports 2 -3S liPo battery mode, and 8-channel transmitter specially designed for the Challenger
Two-section PC soft shell (suitable for modification), with environmentally friendly spray paint and transparent windows
Body shell Equipped with plastic accessories such as roll cage, air grill, rear-view mirror, wiper, front and rear lamp holders
Flip open shell cover
Adjustable battery tray is suitable for different specification batteries. 
Standard CNC winch seat and 10-bead front bumper LED headlight, fog lights on both sides
One spare tire as standard part in factory

Scale: 1/10
Drive Mode: Front-Wheel Drive+4WD
Ground Clearance: 73mm (chassis), 35mm(axle)
Wheel(diameter/width): 110/40mm
Wheelbase: 313mm
Gear Ratio/Low speed: 53:1(F), 57:1(R)
Gear Ratio/high speed: 28:1(F), 30:1(R)
Front-Rear Speed Ratio: 6.00%
Ramp Angle: 29°
Approach Angle: 55°
Departure Angle: 58°
Motor/ pinion: 6235-RC550-35T, /17T
Steering Servo: Digit Metal Gear-25KG
Winch Servo: 360° Digit Metal Gear-25KG
ESC: Hobbywing WP-1060/60A
Radio/Rx: 2.4G/6CH
Length 500mm x Width 258mm x Height 246mm
Fast lipo battery charger
Large Capacity Lipo battery 4200mAh 7.4v

Package Content:
1 x RGT Challenger RTR
1 x 7.4v Lipo 4200mAh rechargeable Car battery
1 x Charger
1 x User manual