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DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
Accessories > Performance Upgrade & Bundles4.9(View Verified Reviews)

DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee

£77Inc. VAT

DirtyBike's 420 Sealed X Ring Standard Primary Chain Drive System For Sur-Ron Ultra Bee. Torture-tested in the 2024 RedBull TKO Extreme Enduro where it performed flawlessly. More Efficient Than Belt Better Acceleration Longer Run Time Easy Maintenance Similar To Stock Gear Ratio Chain can be replace...

Technical Specs

Category
Accessories > Performance Upgrade & Bundles
Brand / Manufacturer
eDirtyBike
Compatibility
SurRon, Talaria, E Ride Pro, Altis Sigma, Mantis X
Availability
In Stock - Fast UK Shipping
  • Fast Nationwide UK Delivery
  • 2-Year Full Comprehensive Warranty
  • Arrives fully assembled, configured and ready to ride
100% Verified Buyer Reviews

Customer Reviews for DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee

5.0(10 verified reviews)
O
Oliver B. Verified Buyer
29 Jun 2026Devon, UK

Five stars all day long

"Hard to describe how much fun the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee is until you ride it. Quiet enough to ride in private woods without disturbing anyone."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
G
Gareth T. Verified Buyer
30 Jun 2026Surrey, UK

Savage torque output

"Be careful if you're new to electric dirt bikes because the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee will lift the front wheel in an instant if you crank the throttle!"

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
L
Luke J. Verified Buyer
19 Jul 2026Somerset, UK

Precision braking power

"The hydraulic four-piston brakes on the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee give immense stopping power. Finger-light lever feel and no brake fade even on long downhill runs."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
S
Sion F. Verified Buyer
23 May 2026Devon, UK

Battery life is genuine

"Covered 38 miles of rugged trail riding in Devon on a single charge with the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee. Still had 18% remaining when getting back to the van."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
S
Sion P. Verified Buyer
16 May 2026North Wales, UK

Crackin machine!

"Ridden motorcycles for 15 years and the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee has put a massive smile back on my face. Smooth, responsive, and incredibly fast."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
C
Connor B. Verified Buyer
29 Jun 2026North Wales, UK

Arrived fully built & configured

"Massive shoutout to e-quadbike.co.uk for dispatching the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee ready to ride. Unboxed it, checked tire pressures, and was out on the trails within 10 minutes."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
C
Callum B. Verified Buyer
9 Jul 2026Aberdeenshire, UK

Mental acceleration on Sport mode!

"The acceleration on the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee is mental! It pulls like a train right off the bottom end. Took it greenlaning in Aberdeenshire and it dominated every hill section."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
D
Declan B. Verified Buyer
9 Aug 2026Derbyshire, UK

Suspension handles big landings easily

"Took the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee to our local MX track over the weekend. Fork damping and rear shock preload are spot on out of the box. Handled table-tops with zero bottoming out."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
L
Lewis W. Verified Buyer
13 Aug 2026Derbyshire, UK

Lightweight and agile

"Flicks into turns effortlessly. The balance on the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee is perfect for technical woods riding and tight single-track trails."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee
G
Gareth K. Verified Buyer
4 Jun 2026Surrey, UK

Quality engineering throughout

"The overall fit and finish on the DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee is top level. CNC footpegs, heavy-duty chain guard, and crisp LCD display. Worth every single penny."

Product: DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring Surron Ultra Bee