Reinforced inner tube 4.25/4.50-18 120/90-18 TR4 thickness 2.5mm RFX

Reinforced tube rim 18" equivalent sizes 4.25 / 4.50 / 120/90 valve TR4 straight thickness 2.5mm from the manufacturer RFX.

Undoubtedly a substantial improvement if you do Offroad, manufactured with the widest rubber providing an additional reinforcement compared to the original.

Characteristics

• Equivalents: 4.25 / 4.50 / 120/90
• Rim: 18"
• Valve: TR4 Straight
• Thickness: 2.5mm