Universal Parts
Universal Parts 4" Split Rim, 3-Spoke 3-Bolt | 6000 Bearing
Description
Replace or upgrade a 4-inch wheel on your mini bike, go-kart, or 50cc scooter with this Universal Parts split aluminum rim. Two-piece split design allows the rim halves to separate for easy tube-type tire installation without a tire machine. Durable alloy construction with a 3-spoke hub, deep drop-center channel, and a pre-installed red-sealed 6000 bearing. Single-sided hub with three bolt holes at 34mm center spacing — compatible with sprocket or disc brake mounting depending on application. Sold as 1 rim — tire and tube not included.
Features
- Two-piece split rim design — halves separate for tube-type tire mounting without a tire machine
- Durable aluminum alloy 3-spoke construction with deep drop-center channel
- Pre-installed red-sealed 6000 bearing in center bore
- Single-sided 3-bolt hub flange, 34mm bolt hole spacing — sprocket or disc brake compatible
- Fits multiple tire sizes: 3.00-4, 3.50-4 (9x3.50-4), 4.10-4, 4.10/3.50-4
- Sold as 1 rim — tire and tube not included
Specifications
- Rim diameter: 4" (outer diameter: 122mm / 4.8")
- Construction: Two-piece split rim (tube-type)
- Hub pattern: 3-spoke, 3-bolt, single-sided
- Bolt hole spacing: 34mm (center-to-center)
- Hub mount: Sprocket or disc brake compatible
- Bearing: 6000 (pre-installed, red sealed)
- Material: Aluminum alloy
- Compatible tire sizes: 3.00-4, 3.50-4 (9x3.50-4), 4.10-4, 4.10/3.50-4
- SKU: 450690
- Brand: Universal Parts
- Quantity: 1 rim
Common Applications
| Application | Notes |
|---|---|
| Mini bikes | Standard 4" split rim replacement |
| Go-karts | 3-bolt single-sided hub applications |
| 50cc scooters | Verify bolt pattern and axle bore before ordering |
| Gas-powered ATVs / trikes / quads | Small-format 4" wheel applications |
Split rims require a tube-type tire. Verify axle bore diameter, bolt pattern, and sprocket/disc brake compatibility before ordering. This rim uses a 6000 bearing — confirm your axle shaft diameter matches before purchase.
Product Diagrams
Features
Specifications
Rim diameter: 4" (OD: 122mm/4.8") | Construction: Two-piece split rim (tube-type) | Hub: 3-spoke 3-bolt single-sided | Bolt spacing: 34mm | Hub mount: Sprocket or disc brake compatible | Bearing: 6000 pre-installed red sealed | Material: Aluminum alloy | Tire sizes: 3.00-4, 3.50-4, 4.10-4, 4.10/3.50-4 | SKU: 450690
Model Fitments
Universal 4" split rim for mini bikes, go-karts, 50cc scooters, and small-format ATVs. Verify axle bore and bolt pattern before ordering.