31 - 4 Tyres
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A 31 – 4 tyre is simply a tyre with a 4” section on a 23” rim. We recommend the Lucas tyre.

31 x 4 (23"rim) Lucas Tyre
31 - 4
- Inner tube for 31 - 4: Central Valve Tube 815X105
- Flap (23") for 31 - 4: Flap for 23" Straight Sided Rim
- 31 - 4 can also be described as: 31 x 4
- 31-4 tyres can only be fitted to a 23” Rim.
- The 31 x 4 (23"rim) Lucas is a great value tyre in this size.
- 32-4½ & 33 – 5 tyres can also be fitted on a 23” rim.
- 31-4 tyres are high pressure tyres and must be run at 65psi +.