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.

RH820 BLAST 2.0 Unboxing: A Deep Dive into VRX Racing's 1/8 Scale 4WD Brushless Short Course Truck
RH820 BLAST 2.0 Unboxing: A Deep Dive into VRX Racing's 1/8 Scale 4WD Brushless Short Course Truck
Watch the official unboxing of the VRX BLAST 2.0 (RH820)! Discover the 1/8 scale brushless power, 60A ESC, and durable 4WD chassis in this deep dive video.
53 Views 2025-11-20
How to use MG4 radio in RC Cars
How to use MG4 radio in RC Cars
Master your MG4 transmitter with this step-by-step setup tutorial! Learn to reverse steering/throttle channels (ST.REV/TH.REV), adjust steering/throttle endpoints (ST.D/R, TH.D/R) for maximum turn ang...
11 Views 2025-05-14
VRX COBRA RH818 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Bashing Truggy
VRX COBRA RH818 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Bashing Truggy
Go straight from the box to the bash spot! Join VRX Racing for the official factory unboxing of the RH818 COBRA. We're giving you an insider's look at its powerful 2000KV brushless motor, upgr...
10 Views 2026-01-09
How to Adjust/Assemble/Dismantle the Shock?
How to Adjust/Assemble/Dismantle the Shock?
Master shock tuning and maintenance! Adjustment: Press the spring downward and rotate the shock collar to fine-tune preload for optimal handling. Installation: Secure long screws with a 2.5mm hex driv...
13 Views 2025-05-15
VRX Wyvern RH1026 Unboxing: A Deep Dive into VRX Racing's High-Performance Brushless Drift & Touring Car
VRX Wyvern RH1026 Unboxing: A Deep Dive into VRX Racing's High-Performance Brushless Drift & Touring Car
Explore the VRX Wyvern (RH1026) in our official unboxing. See the tech details of this 1/10 scale, high-performance brushless drift & touring car.Welcome to an in-depth look at one of the most ver...
14 Views 2025-10-14
How to Check and Adjust the Pinion Gear?
How to Check and Adjust the Pinion Gear?
Ensure peak performance with proper motor pinion maintenance! This video covers inspecting pinion engagement: confirm the pinion grips the spur gear tightly to avoid slippage. For installation, align ...
12 Views 2025-05-16
VRX Octane XL RH1045 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Desert Truck
VRX Octane XL RH1045 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Desert Truck
Watch the official VRX Racing unboxing of the RH1045 Octane XL. Discover its brushless power, solid rear axle, and what makes this 1/10 desert truck RTR.Get ready for the ultimate all-terrain experien...
11 Views 2025-10-27
How to Assemble and Dismantle the Universal Joint for Thor Series?
How to Assemble and Dismantle the Universal Joint for Thor Series?
Master dogbone replacement for your RC car's front and rear suspension arms! Front dogbone steps: Remove wheels, extract hex hubs and pins, unbolt screws, align new dogbone with drive cup slots, a...
12 Views 2025-05-17
VRX SMASH RH1066 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Bashing Monster Truck
VRX SMASH RH1066 Unboxing: A Deep Dive into VRX Racing's High-Speed Brushless Bashing Monster Truck
See the VRX SMASH RH1066 in action! This official unboxing shows the brushless RTR setup, durable nylon chassis, and massive jumps. Watch the video.Welcome to the ultimate introduction to the king of ...
26 Views 2025-11-10
How to Upgrade or Assemble Newly Body Post Set for VRX Trucks?
How to Upgrade or Assemble Newly Body Post Set for VRX Trucks?
Master Body posts maintenance! VRX Racing released newly molded truck body post sets to upgrade Blade/Thor/Cobra trucks.https://www.vrx-racing.com/newly-body-post-for-vrx-racing-cars.htmlThis guide co...
11 Views 2025-05-18
RH820 BLAST 2.0 Unboxing: A Deep Dive into VRX Racing's 1/8 Scale 4WD Brushless Short Course Truck
RH820 BLAST 2.0 Unboxing: A Deep Dive into VRX Racing's 1/8 Scale 4WD Brushless Short Course Truck
Watch the official unboxing of the VRX BLAST 2.0 (RH820)! Discover the 1/8 scale brushless power, 60A ESC, and durable 4WD chassis in this deep dive video.Get ready to dominate the dirt! In this video...
9 Views 2025-11-20
How to Check /Dismantle/Assemble the Spur Gear for VRX 1/10 Blade/Thor/Smash Truck EP Series?
How to Check /Dismantle/Assemble the Spur Gear for VRX 1/10 Blade/Thor/Smash Truck EP Series?
Learn to diagnose and replace stripped spur gears on your RC car! This guide covers removing the 2nd-floor plate and upper deck, disassembling drivetrain components (drive cups, bearings, axle), and i...
13 Views 2025-05-19
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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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