- 700x28c Presta valve/French valve.
- Tubes are made out of butyl construction.
- Tubes are made to meet training and racing standards.
- Nylon construction tire lever that is easy to transport.
The Zol bundle includes tire levers and tubes. The Zol tubes are made to meet training and racing standards. Tubes are made out of butyl construction and weigh 130 grams per unit. Tubes 700x28c Presta valve/French valve 48 mm. The Zol bicycle tire lever set has a strong durable nylon construction that prevents breakage. The design allows the cyclist to change the inner tube easily and without damaging the rim. All Zol bicycle tire levers snap-on together to save space making them easy to transport.