Silca Ultimate TPU Bicycle Tube 700 x 44-64 - 50mm Valve

If you're still carrying a bulky butyl tube as a spare, it's time to upgrade. The SILCA Ultimate TPU Tube in 700 x 44–64mm packs down to a fraction of the size of a traditional inner tube — small enough to carry two spares in the space where one used to fit — while delivering rolling resistance on par with latex at a fraction of the weight.

Where other TPU tubes have earned a reputation for valve failures and sleeve blowouts, SILCA engineered a better solution. A patented mechanical valve attachment bonds the threaded aluminum valve directly to the tube, eliminating the detachment failures common on plastic-valved competitors. A welded sleeve joint and a threaded aluminum valve core (compatible with electric pumps) round out a design built to actually work when you need it most.

• Fits 700c wheels with 44–64mm wide tires
• 50mm threaded aluminum valve with removable core
• Folded size: 58mm x 77mm x 26mm — 62g
• Patented valve-to-tube mechanical attachment
• Rim and disc brake compatible
• Patch kit and alcohol wipe included
• Low rolling resistance; less than half the size and weight of a butyl tube