Building or upgrading a go kart is an exciting project, but the rear axle is the heart of your machine. It transfers power to the wheels, supports the frame, and determines how your kart handles. Choosing the right axle kit can save you time, money, and frustration.
This guide reviews nine top-rated go kart axle kits and components, from complete assemblies with wheels and brakes to bare live axles for custom builds. Whether you are a beginner or a seasoned builder, you will find the details you need to make an informed choice.
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Togarhow 740mm 29 inch Go Kart Rear Axle Assembly Complete Wheel Hub Kit & …
Best forComplete DIY rear end
- Includes wheels and tires
- Full brake system
ConsiderSpecific spline length
TINVHY Go Kart 44 Inch Rear Axle Kit Rear Axle Pillow Blocks Sprocket Brake…
Best forWide frames and drift trikes
- Long 44-inch axle
- Includes chain and sprocket
ConsiderRequires precise measurement
Go Kart Rear Axle Kit 44-inch Axle with Pillow Block Sprockets Brake Discs …
Best forHeavy-duty performance
- Supports over 500 lbs
- Chrome for durability
ConsiderNo wheels or tires
ANTUKO 32 in/815mm Go Kart Rear Axle Assembly Kit with Shaft & Hub & Chain …
Best forCompact go karts
- Compact 32-inch length
- Includes brake master cylinder
ConsiderMeasure before buying
Tacsal 6" Go Kart Axle Kit, 740MM Rear Axle Kit with 2 Wheels, Tires, Rim, …
Best forQuick installation with wheels
- Complete with wheels
- High-strength material
ConsiderSize may be small
CILOYU Heavy Duty DIY Steel 44" Go Kart Live Axle Kit 1" Diameter
Best forHeavy loads and rough use
- Solid steel construction
- Self-aligning bearings
ConsiderNo hubs or sprocket
XIKOBY Go Kart Rear Axle Kit 36" for ATV Quad 4 Wheeler 1 inch Diameter
Best forOff-road and corrosion resistance
- Stainless steel
- Step-down design
ConsiderNo mounting hardware
jtfrkope 4" x 4" Go-Kart Live Axle Hub with 1" to 3/4" Step-Down – 1/4" Key…
Best forCustom axle builds
- Precise step-down
- Durable metal
ConsiderOnly hubs, no axle
Bruce & Shark 29" Rear Axle Assembly Complete Wheel Hub Kit for Go Kart Qua…
Best forSmall frames and drift bikes
- Compact size
- Installation video
ConsiderMeasure before buying
Togarhow 740mm Complete Rear Axle Kit with Wheels
The Togarhow 740mm kit is a true all-in-one solution. It includes two 13-inch wheels with tires, rims, and tubes, plus pillow blocks, an axle assembly, a T8F chain, sprocket, brake disc, and a master cylinder caliper. This means you get everything needed to complete the rear end of your DIY go kart, quad, or trike in one package.
The shaft measures 740mm overall, with a spline-to-spline length of 452mm and a 22mm thick core. The bearing positions are precisely machined for smooth rotation. The 13-inch wheels with 4.1-6 tires offer a good balance of ground clearance and stability. This kit is ideal for builders who want a ready-to-install rear end without sourcing parts separately.
- Includes wheels and tires
- Full brake system
- Easy to install
- Specific spline length
- Check fitment first
TINVHY 44 Inch Rear Axle Kit with Sprocket and Brake
The TINVHY 44-inch axle kit is designed for go karts, ATVs, quads, and drift trikes. It comes with a 1.12-meter axle, a 530-74 chain, a 37-tooth sprocket, a 220mm brake disc, and a brake caliper. The sprocket-to-flange distance is 34cm, and the brake disc is positioned 7cm from the sprocket, ensuring proper alignment for power transfer.
The axle uses a 16×1.5 nut for the hub seat, and the brake tubing is 90cm long, giving you flexibility in mounting. This kit is a solid choice for those who need a longer axle for wider frames. The included chain and sprocket mean you can connect your engine directly without extra purchases.
- Long 44-inch axle
- Includes chain and sprocket
- Brake system included
- Requires precise measurement
- No wheels included
Silscvtt 44-Inch Axle Kit with Heavy-Duty Chrome
The Silscvtt 44-inch axle kit features a chrome axle that supports over 500 pounds, making it suitable for heavier go karts and ATVs. The axle is 44.4 inches long, with a sprocket diameter of 7.6 inches and a brake disc of 8.66 inches. The center holes are 2.36 inches, fitting standard hubs.
This kit is compatible with 7-10 inch wheels and works with both vertical and horizontal engines, as well as electric motors. The chrome material resists corrosion and wear, ensuring long life. It effectively transmits engine power to the wheels while reducing speed and increasing torque, which is essential for climbing hills or carrying loads.
- Supports over 500 lbs
- Chrome for durability
- Fits 7-10 inch wheels
- No wheels or tires
- Check hub compatibility
ANTUKO 32 Inch Rear Axle Assembly Kit
The ANTUKO 32-inch axle kit is a compact option for smaller go karts and ATVs. It includes the shaft, hub, chain, and brake master cylinder. The four-hole diagonal wheel hub measures 11cm, and the sprocket disc brake disc is 8mm thick. The flanges on both sides are 10mm, and the thickest part of the axle is 30mm, providing solid strength.
This kit is a modified part, so you should measure your existing setup before purchasing. The axle is made of metal and may have a slight curvature, which is normal. The design allows for convenient adjustment and repair, making it a practical choice for those who like to tinker.
- Compact 32-inch length
- Includes brake master cylinder
- Easy to adjust
- Measure before buying
- May have slight bend
Tacsal 6 Inch Go Kart Axle Kit with Wheels
The Tacsal 6-inch axle kit is another complete package, including two wheels with tires, rims, and tubes, plus pillow blocks, axle, T8F chain, sprocket, brake disc, and caliper. The high-strength material ensures wear and fatigue resistance, and the brake components are designed for efficient stopping power.
The optimized braking system provides strong braking force in a short time, which is crucial for safety. This live axle kit is perfect for DIY enthusiasts who want a turnkey solution. The included chain and sprocket make it easy to connect to your engine, and the wheels are ready to mount.
- Complete with wheels
- High-strength material
- Efficient braking
- Size may be small
- Check fitment
CILOYU Heavy Duty 44 Inch Live Axle Kit
The CILOYU 44-inch live axle kit is built for heavy loads. The 1-inch diameter solid steel axle is designed to withstand tough conditions. The precision ground and hardened ball bearings are self-aligning, which compensates for any frame misalignment, ensuring smooth rotation.
The axle has an overall length of 44 inches, with 2-inch threads on both sides and a 1/4-inch keyway. The 3/4-16 fine thread ends allow for secure hub mounting. This kit is ideal for go karts, quads, and dune buggies where strength is paramount. The self-aligning bearings reduce wear and extend the life of your drivetrain.
- Solid steel construction
- Self-aligning bearings
- 1-inch diameter
- No hubs or sprocket
- Requires additional parts
XIKOBY 36 Inch Rear Axle Kit with Step-Down
The XIKOBY 36-inch axle kit features a 1-inch diameter live axle with a step-down to 3/4-inch on the ends, using 3/4-16 fine threads. This design ensures zero-clearance engagement with bearings and sprockets, reducing play and improving performance. The axle is made of heavy-duty stainless steel, offering excellent durability and resistance to abrasion.
The 36-inch length is versatile for many DIY go karts, ATVs, and dune buggies. The 1/4-inch keyway runs the full length, allowing you to position sprockets and hubs anywhere. This kit is perfect for those who want a strong, corrosion-resistant axle that can handle off-road conditions.
- Stainless steel
- Step-down design
- Full-length keyway
- No mounting hardware
- Check thread size
jtfrkope 4×4 Go-Kart Live Axle Hub Set
The jtfrkope hub set is a component kit, not a full axle. It includes two 4×4 inch hubs with a 2-3/4 inch hub length and a 1/4-inch keyway slot. The inboard shaft diameter is 1 inch, stepping down to 3/4 inch on the outboard side, with M12x1.2 nuts for secure mounting.
These hubs are designed for go-karts and dune buggies with 8-inch wheels. The premium metal material ensures durability and easy installation. If you are building a custom axle, these hubs are a reliable choice for connecting your wheels to a 1-inch axle with a step-down.
- Precise step-down
- Durable metal
- Easy installation
- Only hubs, no axle
- Fits 8-inch wheels only
Bruce & Shark 29 Inch Rear Axle Assembly Kit
The Bruce & Shark 29-inch axle kit is a compact option for smaller go karts and drift bikes. The shaft overall length is 740mm (29 1/8 inches), with the thickest part at 22mm (7/8 inch). The product page includes detailed dimensions and an installation video, which is helpful for first-time builders.
The kit includes the axle, hubs, and necessary hardware, but you should measure your original setup before purchasing. The support promise ensures that if any parts shift during transit, they will help you resolve it. This kit is ideal for those who want a simple, reliable axle for a smaller vehicle.
- Compact size
- Installation video
- Support promise
- Measure before buying
- No wheels included
Buyer’s Guide: What to Consider
Choosing the right go kart axle involves several key factors. This guide helps you understand what to look for, ensuring you get a component that fits your build and performs reliably.
- Axle Length: Measure the distance between your frame rails or mounting points. Axles come in lengths like 29, 32, 36, and 44 inches. Choose one that fits your frame width without excessive overhang.
- Diameter and Material: Common diameters are 1 inch and 22mm. Thicker axles handle more torque and weight. Materials like chrome or stainless steel resist corrosion and wear, ideal for off-road use.
- Wheel and Tire Compatibility: Check the wheel size and hub pattern. Some kits include wheels, others require separate purchase. Ensure the axle's hub pattern matches your wheels (e.g., 4×4, 4x110mm).
- Brake System: Look for kits with a brake disc and caliper. Hydraulic brakes offer better stopping power. Ensure the brake disc diameter fits your wheels and frame clearance.
- Included Components: Complete kits include axle, bearings, sprocket, chain, and brakes. Bare axles require you to source these separately. Consider your skill level and budget when choosing.
Conclusion
Selecting the best go kart axle depends on your specific needs, such as frame size, weight capacity, and whether you want a complete kit or individual parts. The Togarhow and Tacsal kits offer everything you need for a quick build, while the CILOYU and XIKOBY axles provide strength for heavy-duty use.
For most DIY builders, a complete kit like the Togarhow 740mm is a great starting point, as it includes wheels, brakes, and chain. If you have a wider frame, consider the TINVHY or Silscvtt 44-inch options. Always measure your frame and verify compatibility before purchasing.
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