Road bike tubes used to replace inner tubes on 700c wheels with 18c–25c tires. The set installs directly during maintenance or before rides and restores wheel inflation after tube replacement.
Bike tubes made from butyl rubber with 0.96 mm wall thickness expand evenly inside narrow road tires. The tube holds shape during inflation and returns to form after deflation without reinforced layers.
700x25c tube and 700x23c tube inflate between 80–120 PSI for road riding. Pressure follows the tire limit and supports stable use on road, race, touring, hybrid, and fitness bikes.
Presta valve core with 60 mm length passes through deeper rims and seals when the pump head is clamped straight. Fixed valve core and included caps protect the valve during transport and storage.
Each tube weighs 125 g; the 2-pack allows replacing both wheels in one service cycle. The tubes fold flat and are carried as spares for roadside replacement.