The wheel of the unicycle adopts a solid design, which has high resilience and is not easy to deform. The sturdy rim has a high load-bearing capacity and can easily carry a load of 120 kg (265 lb), making it easier to work and saving energy.
eBay
New 700c Fixed gear wheelset Track wheels bike Bicycle road wheelset
Aliexpress UK
Brand new sack truck tyre. This solid tyre is a perfect replacement, though solid it provides a level of bounce to protect goods. Once fitted you won't have to pump it up ever. Specifications: 250mm x 85mm 16mm hole (standard sack size) Tire width: 7.5cm approx Max load: 120kg
eBay
DAHON Bicycle Support Landing Gear Bicycle Third Wheel Easy Wheel Boost Assist Wheel Push Bicycle Accessories
Aliexpress UK
【Features】: The flat free solid rubber wheels can move steadily on different surfaces, like lawns, carpet, ceramic tiles, concrete ground, wood floor, etc;The rubber tire also rolls quietly without making harsh noises.
eBay
Silver Road Race Bicycle Wheelset, Climbing Wheel Set, Bearing Wheel, 700C
Aliexpress UK
【Features】: The flat free solid rubber wheels can move steadily on different surfaces, like lawns, carpet, ceramic tiles, concrete ground, wood floor, etc;The rubber tire also rolls quietly without making harsh noises.
eBay
ELITEWHEELS Time Trial Disc Wheels Carbon Fiber DiscTriathlon Wheelst front 3 Spoke Wheelset rear Disc Wheel For TT Bike Racing
Aliexpress UK
Strengthened wheel rim with offset hub for smooth operation. Max working weight 200kg. Heavy duty 10" Wheel & Solid Rubber Tyre. The solid rubber tyre is puncture proof and will not deflate. Motorbike.
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carbon clincher wheels 700C rims COSMIC SLR carbon road bike wheels 38 mm 50mm60 mm cosmic bike wheel-whee
Aliexpress UK
This is a solid tyre so no more punctures. Solid Wheel ( Pu Foam Filled) No Air. Main Colour: Black,Red. Wheel Size: 14" ( 3.5-8). Wheel Material:Rubber. Wheel Width: 90mm. Capaciaty: 120kg each wheel.
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700C Road Bike Cosmic Elite Wheels Brake 40/50mm Bmx Bike Gear Wheelset Compatible for Shimano Sram Disc Red Hub Bicycle Wheels
Aliexpress UK
【Features】: The flat free solid rubber wheels can move steadily on different surfaces, like lawns, carpet, ceramic tiles, concrete ground, wood floor, etc;The rubber tire also rolls quietly without making harsh noises.
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BUCKLOS Ultralight 700C Wheelset 7/8/9/10 Speed Road Bike Wheel Set 700*23/25C Bicycle Wheels Rim V Brake for Shimano
Aliexpress UK
Size: 4.10/3.50-4 Pneumatic. 1/2/4x Pneumatic Tire and Wheel. Premium Steel Rim. Carburized bearings allow this tire to move smoothly. Tire Width: 3.2". Sporting Goods. Widely applicable: can be used on sand, mud, lawn & garden.
eBay
16 349 Three Spoke Carbon Wheels 74mm/112mm V Brake 3 Speed Carbon Wheels for Brompton/3Sixty Folding Bike Wheelset 16
Aliexpress UK