Our Standard Presta Valve Tubes feature a molded method of construction that ensures a consistent thickness of butyl rubber. This means that they don't have any unnecessary weight and will roll smooth, ride after ride.
The components of the bicycles, as described on this page, are those specified by the manufacturer at the time of launch of a new product.
Please note that these components may be subject to change without notice by the manufacturer for other components of similar characteristics.
If you need to confirm the specifications of any component, we recommend you visit the manufacturer's official website or contact our customer service team.