KKE 18/21″ Complete Wheel & Pre-Mounted Tire Combo for Surron Ultra Bee

Transform your Surron Ultra Bee into a true full-sized off-road weapon with the KKE 18/21″ Complete Wheel & Tire Combo. Because the Ultra Bee frame is roughly 20% larger than the Light Bee, its factory 19″ wheels restrict its chassis potential. Upgrading to a 21″ front and 18″ rear wheel setup unlocks proper full-sized motocross geometry, vastly improves obstacle rollover, and increases stability across high-speed trails.

As the most essential performance upgrade for the Ultra Bee platform, we collaborated directly with KKE to deliver a factory-built, direct bolt-on wheel package at an accessible price point. Every wheelset comes pre-assembled with heavy-duty tubes, rim strips, and your choice of mounted tires—arriving Ready to Install straight out of the box.

Surron Ultra Bee KKE 18/21″ Wheel Heavy-Duty Construction & Components

In order to handle hard trail riding, jump impacts, and instantaneous electric torque, every wheel set is constructed using high-grade components:

• Billet CNC Hubs: Built to OEM design specifications from anodized aircraft-grade aluminum, available in Black, Red, Blue, Gold, or Purple.

• High-Strength Gloss Rims: Lightweight, durable 7050-T6 aluminum rims—featuring a 21″ x 1.60″ front rim and an 18″ x 2.15″ rear rim.

• Reinforced Wheel Build: Black heavy-duty spokes laced to color-matched alloy nipples (matched directly to hub color).

• Pre-Installed Extras: Equipped with high-grade wheel bearings, seals, 2mm heavy-duty inner tubes, and protective rim strips.

Pre-Mounted Tire Options

Instead of struggling with tire irons in your garage, simply choose your desired terrain package! As a result, our certified technicians will tube, mount, and inspect your setup so that your complete wheelset arrives Ready to Ride:

*Note: Comparable tires will be substituted if specific models are backordered. Dunlop MX34 replaces the outgoing MX33 line.

Technical Specifications Matrix

Vehicle Fitment & Compatibility

Electric Cycle Works Pro Tuning Tips

• Re-Use Stock Hardware: Because these CNC billet hubs match factory spacing, you can easily transfer your original brake rotors and rear sprocket straight onto the new wheels.

• Street Legal Tire Balancing Note: DOT-approved tires (like the IRC TR-8) are not dynamically machine-balanced out of the box. If you plan on riding extended miles at high highway speeds, we recommend bringing the mounted set to your local motorcycle shop for wheel weight balancing.

• Tire Pressure Setup: For technical trail riding, run 12 to 14 PSI in off-road tires to maximize footprint contact and bump absorption over obstacles.

 Frequently Asked Questions

Why does the Surron Ultra Bee benefit so much from an 18/21″ wheelset?

The Ultra Bee frame is physically larger than traditional pit-bike style e-motos. The stock 19″ wheels make the bike sit low and limit obstacle clearance. Upgrading to an 18/21″ setup restores proper dirt bike geometry, improves stability, and drastically increases front tire rollover over rocks and logs.

Do I need to buy extra wheel spacers or bearings?

No. The KKE wheelset comes complete with pre-installed wheel bearings, seals, axle spacers, tubes, and tire strips. You only need to transfer your stock brake rotors and rear sprocket.

Will an 18/21″ wheelset rub on the stock Ultra Bee swingarm or forks?

No. This wheelset is specifically engineer for the Surron Ultra Bee chassis and fits seamlessly without frame, fork, or swingarm rubbing issues.