Finding reliable 1 1/4 hub components is essential for smooth, safe go-kart and mini bike performance. The following five hubs and compatible sprocket hubs are selected for durability, compatibility with 1″ shafts, and availability of 1/4″ keyways. Each offers solid construction and ready-to-install hardware for DIY builders and professionals alike.
| Product | Brand | Key Feature |
|---|---|---|
| AlveyTech Heavy-Duty Rear Wheel Hub | AlveyTech | 1″ bore, 1/4″ keyway, heavy-duty steel |
| CPVNQMDG Steel Sprocket Hub | CPVNQMDG | 1″ bore, 1/4″ keyway, hardware kit |
| GREHUA Rear Steel Sprocket Drum Hub | GREHUA | 1″ bore, 1/4″ keyway, complete kit |
| Sprocket Hub Adapter | JSCJCAS | 1″ bore, 1/4″ keyway, hardware kit |
| Go Kart Axle Hub 1″ | JSCJCAS | 1″ bore, 1/4″ keyway, compatible with Predator 212cc |
AlveyTech Heavy-Duty Rear Wheel Hub

Brand: AlveyTech. This hub is designed for 1″ axles with a 1/4″ keyway slot and includes lug hardware. It features a 4″ bolt circle and a 3-1/2″ hub length, suitable for go-karts, quads, ATVs, and trikes using 8″ wheels. The hub is manufactured from tough steel for durability and performance under demanding use.
CPVNQMDG Sprocket Hub

Brand: CPVNQMDG. This sprocket hub is built for a 1″ bore with a 1/4″ keyway and ships with a hardware kit. It is compatible with Predator 212cc, GX160, GX200, and other engines in the 6.5hp range, and is suitable for mini bikes, dune buggies, drift trikes, and Go-Karts that use a 1″ axle.
DJ-Motor Green 1-1/4″ Rear Wheel Hub

Brand: DJ-Motor. This green 1-1/4″ bore rear wheel hub is designed for cart drift trikes and go-karts, featuring a 1-1/4″ bore and a 1/4″ keyway. It targets performance-fit applications and is commonly used in racing and hobby builds that require a reliable 32mm bore hub.
GREHUA Rear Steel Sprocket Drum Hub

Brand: GREHUA. This hub is designed for 1″ bore and 1/4″ keyway, with an included hardware kit. It supports predators and common 6.5hp engines used in dune buggies, drift trikes, and DIY Go-Karts. The kit includes mounting hardware and is made from 45# steel for durability.
JSCJCAS Sprocket Hub Adapter

Brand: JSCJCAS. This adapter features a 1″ bore and 1/4″ keyway with a complete hardware kit, designed for Predator 212cc, GX160, GX200 engines, and other 6.5hp to 196cc classes. It includes screws, nuts, and keyways for straightforward installation.
Go Kart Axle Hub 1″

Brand: JSCJCAS. This hub is built for Predator 212cc and similar engines, offering a 1″ bore and 1/4″ keyway with a matching hardware kit. Precision fit ensures alignment with standard shafts and components, supporting reliable installation on a range of go-kart and drift-trike builds.
Buying Guide
- Axle compatibility: Confirm the hub bore size (1″) and shaft diameter on your vehicle. A mismatch can cause misalignment and wear.
- Keyway and fasteners: Ensure the kit includes a 1/4″ keyway and hardware. A secure keyway prevents slippage under load.
- Material and durability: Steel hubs are common for durability. If you expect off-road use, look for heavy-duty or 45# steel options with corrosion resistance.
- Diameter and bolt circle: Check hub length and bolt circle to match your wheel and frame mounting points (e.g., 4″ bolt circle).
- Compatibility with engines: For Predator 212cc or GX-series engines, verify engine-specific compatibility in the product description or hardware kit.
- Installation convenience: Hardware kits and clear installation steps reduce assembly time and error risk.
- Weight vs. stiffness: Heavier hubs often offer more durability; lighter hubs may reduce unsprung mass but could be less durable in rough terrain.
- Accessory ecosystem: Consider whether the hub set includes extras like lug nuts, screws, nuts, and keyways to minimize separate purchases.
These considerations help builders select 1 1/4 hubs that balance strength, compatibility, and ease of installation for reliable performance in go-karts, drift trikes, and mini bikes.