Speed Booster OS tubes 6" and only weighs from

6" and only weighs from 62g - making it one of the lightest tubes on the market

while their short height won’t slow you down

• Removable valve core

these moto-inspired tires

LENGTH (inches) WIDTH (inches) CHEST (inches) S 28 18 34-37 M 29 20 38-41 L 30 22 42-45 XL 31 24 46-49 2XL 32 26 50-53

Speed Booster OS tubes 6" and only weighs fromMore volume, less energy. The Speed Booster OS takes all the best parts of the standard counterpart and increases it. The larger air volume and diameter enables the tire to reduce energy loss and maintain more speed. Its tread pattern cuts down on drag and saves precious seconds in race conditions. The low profile pattern and cutting edge LSG+ compound are a race winning formula