The right trike rear end kit can turn a basic three-wheeled bike into a smooth, durable vehicle. This guide highlights five solid choices for different needs, including standard single-speed trikes, heavy-duty go-karts adapted for drift bikes, and universal rear axle assemblies for DIY projects. Best for newcomers are simpler, shorter kits, while more robust options suit builders needing extra weight handling and longer axle lengths. The following selections are chosen for clarity, compatibility variety, and straightforward installation considerations.
WEEROCK 20–26 Inch Tricycle Rear Axle Kit
Product overview: A 5/8 inch (15.8 mm) rear axle designed for 20, 24, and 26 inch trikes or three-wheel bikes. It is compatible with hollow-hub wheels and includes a band brake compatible rear brake setup. This kit is best for riders seeking a straightforward, single-speed conversion that fits common mid-size trikes. The axle diameter and brake compatibility help ensure a reliable, simple upgrade for casual riders and DIY enthusiasts building or restoring an adult trike.
Best for: Casual riders upgrading a standard 3-wheel bike, beginners seeking an easy install, and those upgrading older trikes to a single-speed setup. Why selected: It provides a proven axle size with clear compatibility notes and a straightforward brake option, making it a low-friction choice for common trike builds.
Caution: Verify hub compatibility with your specific wheel model to avoid misfit. Some frames may require additional mounting hardware or spacers for a snug fit.
Bruce & Shark 29″ Rear Axle Assembly Kit
Product overview: A larger 29″ rear axle assembly intended for go-kart and quad/trike builds, with an emphasis on fit verification. The listing notes that detailed dimensions appear in secondary images and recommends measuring your original kit before purchasing. It also points to an installation video, helping ensure a smoother assembly process. This kit suits builders working on bigger rear-end setups or wanting a more robust solution for heavier vehicles.
Best for: Builders upgrading go-kart or drift-trike style projects requiring a longer axle and stronger construction. Why selected: It targets larger builds and provides installation guidance to reduce install risk, making it suitable for DIY enthusiasts tackling more ambitious projects.
Caution: Size compatibility is critical. Measure your current frame and wheel assembly to confirm the 29″ fit before purchase.
TJHSM 44″ Rear Live Axle Assembly Kit
Product overview: A 44-inch rear axle kit designed for DIY go-kart, ATV quad, and drift trikes, featuring a high-strength chrome axle capable of supporting more than 500 pounds. The kit is positioned for builders who need a longer axle and sturdy performance for larger scale or heavier-duty applications. It includes components suitable for comprehensive rear-end builds, delivering a robust upgrade path for trike projects that demand strength and reliability.
Best for: Builders handling heavier loads or larger trike projects, or those seeking a long axle replacement for improved stability. Why selected: It combines length with high-strength materials to support substantial weight and rougher operating conditions.
Caution: Longer axles can require frame modifications and precise alignment; ensure compatibility with your chassis geometry before installation.
Labwork 32″ Live Rear Axle Kit + Disc Hub
Product overview: A 32-inch live rear axle kit designed as a replacement option for go-karts, ATVs, quads, and drift trikes. The kit uses high-strength chrome and adds a disc wheel hub with compatibility for chain-driven configurations. This option is well-suited for projects needing a balance of length and robust construction, especially when a disc brake setup is desired for enhanced stopping power.
Best for: Builders seeking a mid-length, high-strength axle with an included hub and disc options for better braking feel. Why selected: The 32″ length fits many mid-size frames and offers enhanced braking compatibility with a direct hub integration.
Caution: Check your frame’s mounting points and brake system compatibility to avoid clearance issues with the disc brake components.
Labwork 44 Inch Live Rear Axle Kit with Complete Parts
Product overview: A comprehensive 44.4 inch rear axle kit including chain sprocket, brake disc, pillow block bearings, and wheel hub. It is designed as a flexible kit suitable for Go-Kart, ATV, Quad, and drift trike projects. The assembly emphasizes high-strength chrome construction and a weight-supporting capability above 500 pounds, making it a strong choice for heavier builds or projects needing multiple subsystems integrated into the rear end.
Best for: Builders needing a full rear-end upgrade with multiple integrated components for a complete replacement. Why selected: The kit’s all-in-one design simplifies sourcing and alignment for complex builds, delivering a solid platform for upgrading a drift-trike or go-kart style vehicle.
Caution: The extensive component list can require careful assembly and precise alignment to ensure proper operation of the brake, sprocket, and chain system.
YC Yier 28″ Rear Axle Kit With Swingarm
Product overview: A versatile 28″ rear axle kit with a rear swingarm frame bracket, brake disc, three-stud wheel hubs, and sprocket assembly. This kit is designed to fit a wide range of 110cc, 125cc, and 150cc ATVs, quads, buggies, and go-karts, providing a universal fit for many small off-road vehicles. The assembly includes the necessary chain and brake components for a complete system upgrade.
Best for: Builders looking for a universal, mid-length rear-end upgrade compatible with various small off-road platforms. Why selected: The kit’s broad compatibility makes it an adaptable option for multiple vehicle types, simplifying replacement decisions.
Caution: Universal fit means you must verify exact mounting points and clearance on your specific frame to prevent interference with the swingarm or brake components.
Buying Guide: Key Considerations For Choosing A Trike Rear End Kit
- Axle length and diameter: Match the kit length to your frame’s wheelbase and ensure the axle diameter fits hollow-hub wheels if applicable.
- Brake compatibility: Decide between band brakes, disc brakes, or integrated braking systems based on your braking needs and frame geometry.
- Weight rating and materials: Look for high-strength chrome or steel alloys and ensure the kit can support your expected load and riding conditions.
- Frame compatibility: Check wheel size compatibility (20″, 24″, 26″, 28″, 29″) and whether the frame requires additional brackets or spacers.
- Mounting hardware and instructions: Prefer kits with installation videos or clear mounting guidelines to reduce the risk of misalignment.
- Maintenance and upgrade path: Consider whether the kit supports future upgrades, such as sprocket changes or different axle setups.
FAQ
- Q: What is the most common rear axle diameter for trikes? A: 5/8 inch (approximately 15.8 mm) is a common size for mid-size trike rear axles, offering a balance of strength and weight.
- Q: Do these kits require professional installation? A: Many kits include install guides or videos, but some projects may benefit from basic mechanical skills or assistance to ensure proper alignment.
- Q: Can I reuse my existing brakes with these kits? A: It depends on the kit and your frame; some kits include brake discs while others require separate components or compatible braking systems.
- Q: Are universal kits compatible with all frames? A: Universal kits fit a wide range of vehicles but always verify mounting points, chain alignment, and brake compatibility with your specific frame.
- Q: What maintenance is needed after installation? A: Regular inspection of bolts, bearings, sprockets, and brake components; keep lubrication on moving joints and check for axle play or misalignment.
- Q: Can these kits be used on non-trike bicycles? A: Some listings target drift bikes, go-karts, and ATVs; always verify compatibility with your exact frame and wheel system.