Description
The Rehasense Fatboy with CST BFT tyres is a 20″ x 4.0″ off-road wheelchair wheel with an aggressive block tread for mud, loose gravel and snow. The tyre is directional — the set ships as a matched left and right pair so the tread pattern runs the correct way on each side.
Specifications
- Tyre: CST BFT 20″ x 4.0″ (100-406 mm), black (directional)
- Rim: 406 x 80 mm, black aluminium
- Spokes: 36 pcs, 2 cross, black Ø2.3 mm
- Hub: High flange 79/90 mm, offset, black
- Push rim: Not included — available separately (item 3420E5)
- Outside diameter: approx. 565 x 96 mm
- Weight (pair): 5.1 kg
- Supplied as: One matched pair (26F005L + 26F005R), tubes included
Bearing and axle option
Each set is built for one axle size — choose before ordering:
- Ø12 mm bearings — order code 26F005SETM
- Ø1/2" (12.7 mm) bearings — order code 26F005SET
Not sure which your wheelchair uses? Send us the make and model and we will confirm before the order goes out. Rehasense quick-release axles are available separately.
Fitting and compatibility
Built for manual wheelchairs with a standard quick-release axle and widely used with the Rehasense PAWS power add-on. Confirm your axle length, bearing size and frame clearance before ordering — fat tyres need more room at the frame and at the push rim than a standard 24″ wheel. Our team can check the fit with you.





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