Riverhobby Tech (Shenzhen) Co., Ltd.
Riverhobby Tech (Shenzhen) Co., Ltd.
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Master Your RC Car Repairs & Upgrades with Vrx Racing's Expert Guides

Our dedicated Support Hub is designed to empower hobbyists, racers, and RC enthusiasts with detailed assembly guides, repair tutorials, and troubleshooting tips to keep your car in the best condition. Every video and guide is created by our in-house engineers and professional RC technicians. Our DIY guides help you diagnose common issues (e.g., ESC malfunctions, steering servo problems, or battery drain) and perform fixes.

VRX-2 (RH802) Nitro Buggy Unboxing: A Deep Dive into the Raw Power of 1/8 Scale Nitro Racing
VRX-2 (RH802) Nitro Buggy Unboxing: A Deep Dive into the Raw Power of 1/8 Scale Nitro Racing
"Experience the roar of the VRX-2 (RH802)! Watch our official deep-dive unboxing of this 1/8 scale 4WD Nitro Buggy, featuring a powerful .21 engine, aluminum chassis, and race-ready suspension.
5 Views 2025-12-24
How to Assemble or Disassemble Diff box of VRX Truck Series?
How to Assemble or Disassemble Diff box of VRX Truck Series?
Master differential maintenance for your RC car! This tutorial covers front differential disassembly: removing the second-floor plate, front arms, bumper, and suspension mounts to access gears. Rear d...
12 Views 2025-05-20
VRX Sprint RH1068 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Buggy
VRX Sprint RH1068 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Buggy
Discover the VRX Racing Sprint (RH1068). A 1/10 scale 4WD brushless buggy featuring a 3300KV motor, 45A ESC, and low-CG design. Read our deep dive into this 55km/h+ speed machine.Today, we aren't ...
2 Views 2026-01-05
How to Upgrade Front/Rear Suspension Arm Set for VRX Blade/THOR/Smash Series?
How to Upgrade Front/Rear Suspension Arm Set for VRX Blade/THOR/Smash Series?
Master precision assembly of upgraded suspension arms and steering hubs for your RC car! Learn to install steering hubs with dual bearings (front/rear alignment critical), secure pivot balls with shim...
11 Views 2025-05-21
How to Replace the Upgrade Front Suspension for Thor Series ?
How to Replace the Upgrade Front Suspension for Thor Series ?
Master front suspension arm replacement with precision! This video covers disassembly: removing wheels, hex hubs, pins, and chassis screws; detaching steering arms, shocks, and dogbones; then extracti...
14 Views 2025-05-22
How to Replace/Upgrade Rear Suspension of VRX Blade/Thor/Smash Rc Truck Series?
How to Replace/Upgrade Rear Suspension of VRX Blade/Thor/Smash Rc Truck Series?
Master rear suspension arm replacement on your RC car: Disassemble tires, hex hubs, and pivot pins. Remove upper deck screws, shock mounts, and drive shafts. Extract the worn arm, install the new one ...
11 Views 2025-05-23
How to Assemble the Upgrade Front/Rear Suspension Arm Set of Spirit Series ?
How to Assemble the Upgrade Front/Rear Suspension Arm Set of Spirit Series ?
Master suspension arm assembly for your RC off-roader! This guide covers steering knuckle & pillow ball mount setup: installing bearings in correct orientation, securing screws with washers, and e...
13 Views 2025-05-24
How to Adjust the Gear Clearance of Nitro Car?
How to Adjust the Gear Clearance of Nitro Car?
Learn to fine-tune gear mesh on your nitro RC car using a simple A4 paper trick! This video demonstrates folding paper once, inserting it between the spur and pinion gears, then tightening screws whil...
13 Views 2025-05-25
How to Assemble and Dismantle the Bumper and Install the LED Lights?
How to Assemble and Dismantle the Bumper and Install the LED Lights?
Master bumper maintenance and LED light upgrades for your RC off-road rig! This video guides you through bumper installation (aligning front/baseplate screws and tightening bolts) and removal using a ...
10 Views 2025-05-27
How to Check the Transmission Shaft 's Center Coupler?
How to Check the Transmission Shaft 's Center Coupler?
Learn to maintain drivechain integrity by inspecting and securing front/rear driveshaft couplers. This guide shows how to remove the upper plate with a 2.0mm hex driver, check driving chain for loosen...
10 Views 2025-05-28
How to Replace the Front Bumper of Spirit Series?
How to Replace the Front Bumper of Spirit Series?
Learn the quick and precise method to swap out a damaged bumper on your RC off-road vehicle. This tutorial demonstrates using a 2.0mm hex driver to remove the original bumper's mounting screws, fo...
12 Views 2025-05-30
How to Replace the Front CVD of Spirit Series?
How to Replace the Front CVD of Spirit Series?
Discover the professional method to replace worn universal dogbones and wheel hubs on your RC off-road car. This tutorial guides you through tire removal: detaching the hex hub and pins, followed by u...
9 Views 2025-06-02
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We race extremely – pushing limits, fueling passion, and crafting precision. At VRX Racing, we engineer high-performance remote control cars that redefine speed, innovation, and the thrill of the race.
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