GREHUA Front & Rear Disc Brake Caliper Assembly Kit for Razor MX500 MX650 SX500 Dirt Rocket & Dirt Quad

Overview

Introducing the GREHUA Front and Rear Disc Brake Caliper Assembly Kit, built for rugged braking performance on Razor MX500, MX650, SX500, McGrath Dirt Rocket, and Dirt Quad 500 ATV platforms, as well as E500S electric scooters. The kit combines a robust metal body with precisely machined mounting features to help ensure alignment and a smooth braking feel across riding conditions.

What you might notice in real use

• Durable metal construction that resists deformation and maintains pad alignment during frequent braking.
• Designed to mirror the original Razor brake setup for straightforward maintenance and compatibility with existing hardware.
• Broad compatibility across dirt bikes, gas scooters, pocket bikes, electric scooters, go-karts, ATVs and more for future projects.

What’s included

• 1 x brake caliper
• 2 x screws
• 2 x shims

Installation and usage notes

Installation follows a familiar Razor brake swap process: remove the existing mounting screws, detach the brake cable, replace with the GREHUA caliper, reinsert the cable, and tighten the screws. Basic mechanical steps are needed, with a focus on clean alignment and secure cable attachment.

Real-world scenarios

Ideal for riders who service brakes on Razor machines and similar platforms. The kit may contribute to a reliable braking feel during trail rides, urban commutes, or family outings, with emphasis on consistent bite and predictable stopping power across terrains.

Why choose GREHUA

GREHUA emphasizes build quality and broad compatibility. While results can vary by vehicle and riding conditions, this caliper aims to offer a durable, ready-to-install upgrade for those seeking a dependable brake component that fits a wide range of vehicles and uses.