Inner Tubes

Sizing:

Front 17": 70/100-17 (RTR Big Wheel Kit)

Front 14":  60/100-14 (Stock RTR Bikes, Razor Big Wheel Kit)

Front 12": 60/100-12 (ETM™ v2 Razor Hydraulic Fork Upgrade Kit)

Rear 14": 90/100-14 (RTR Big Wheel Kit, ETM™ RTR 14in Street Wheel Set)

Rear 12":  80/100-12, 90/90-12 (Stock RTR Bikes, Razor Big Wheel Kit, 12in Razor Pro Spec Supermoto Wheel Set, EBOX Supermoto Wheel Set, Razor 12" Supermoto Wheel Set, ETM™ RTR 12in Supermoto Wheel Set)

Rear 10": 80/100-10, 90/90-10 (Razor Pit Bike Rear Wheel, Razor 10" Supermoto Wheel Set, Razor Scrambler Wheel Set, 10in Razor Pro Spec Supermoto Wheel Set, ETM™ / Mototec Supermoto Wheel Set)