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9x3.5-4 rear wheel assembly side view — 4" rim, 120mm hub width, 10mm axle, street/turf tread tire, fits 33-43cc 2-stroke gas scooters
9x3.5-4 rear wheel tire tread detail — tube-type, street/turf pattern, fits G-Scooter, Boreem, Blackman, Kragen Zooma
Universal Parts 9x3.5-4 rear wheel assembly hub detail — band brake compatible, 120mm hub width, 10mm axle, 6000-series bearings
Universal Parts 9x3.5-4 rear wheel assembly for G-Scooter 33-43cc — pre-assembled with 55T #25H sprocket, 6000 bearings, tube-type tire, band brake only, SKU 153-12

Universal Parts

Gas Scooter 9x3.5-4 Rear Wheel Assembly | 33-43cc

SKU 153-12
$55.00
Shipping calculated at checkout.
Description

Replace the rear wheel on your 33cc, 36cc, or 43cc 2-stroke gas scooter with this Universal Parts 9x3.5-4 rear wheel assembly. Comes pre-assembled with rim, bearings, 55-tooth #25H sprocket, and mounted tube-type tire — no need to source individual components. Fits 10mm axles with 120mm hub width.

Band brake only. This hub is machined for band brake systems. Not compatible with disc brake setups. Verify your axle diameter (10mm) and chain size (#25H) before ordering — stand-up scooters often use multiple drivetrain configurations in the same production year.

Assembly includes:

  • 4" rim
  • Pre-installed 6000-series bearings (10mm ID)
  • 55-tooth drive sprocket (#25H chain)
  • Mounted 9x3.5-4 tube-type tire (street/turf tread)

Specifications:

  • Tire size: 9x3.5-4 (tube type)
  • Sprocket: 55-tooth (#25H chain)
  • Bearing: 6000-series (10mm ID)
  • Hub width: 120mm
  • Axle: 10mm
  • Brake: band brake compatible only
  • Weight: 4.5 lbs
  • SKU: 153-12

Compatible With:

  • G-Scooter, Blackman, Boreem, Kragen Zooma (select models)
  • 33cc, 36cc, and 43cc 2-stroke stand-up gas scooters
  • Custom #25H chain-drive electric builds using 10mm axles

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Pre-assembled — rim, bearings, 55T sprocket, and mounted tire included
  • 9x3.5-4 tube-type tire with street/turf tread
  • 55-tooth #25H chain sprocket
  • 6000-series bearings, 10mm ID
  • Band brake compatible only — not for disc brake setups
Specifications

Tire: 9x3.5-4 Tube Type | Sprocket: 55T #25H | Bearing: 6000 (10mm ID) | Hub Width: 120mm | Axle: 10mm | Brake: Band Brake Only | Weight: 4.5 lbs | SKU: 153-12
Model Fitments

G-Scooter / Blackman / Boreem / Kragen Zooma (select models) | 33cc / 36cc / 43cc 2-stroke stand-up gas scooters | Custom #25H chain-drive builds with 10mm axles
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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