The RGT Rock Cruiser is an upgraded model from the RC4 V2 and includes a few included upgraded features right off the bat. You can find steel CVDs in the front, side guards, pan-hard bar, and even an axle mounted steering servo.
Specs:
Hobbywing 40A Waterproof ESC w/ 3A BEC and (x2) 5V Outputs for FPV/Winch/Lights/Etc
15KG Metal Geared Waterproof Servo & Metal Horn
All Ball Bearings
Telescoping Driveshafts
Steel Front CVDs
Integrated Axle Housing with Bearings & Metal Gears
Multilink Suspension
Locked Front and Rear Axles
Oil Filled Shocks
1.9" Rims with Super Soft High Grip Tires
20T 540 High Torque Motor
Dimensions & Weights:
Length: 510mm
Width: 230mm
Height: 245mm
Wheelbase: 315mm
Ground Clearance: 80mm
Gear Ratio: 41.14:1
Weight: 2.58kg
Battery: 7.2V 2000mAh NIMH