Schwalbe SV20 Extra Light Tube (700 x 18-25mm) D4 is designed for alloy rims

is designed for alloy rims and provides superior power

Standard: Road compact standard 110m BCD

Too low of a torque and the component will slip which is both unsafe and can cause damage

Material: 7075 TXXX aluminium

Schwalbe SV20 Extra Light Tube (700 x 18-25mm) D4 is designed for alloy rimsSchwalbe SV20 Extra Light Road Tubes are made from 20% recycled rubber, so not only are they low in weight, they're lower in their carbon footprint. All valves are nickel plated and threaded and valve inserts are replaceable. Specifications Fits Tyre Sizes: 700c x 18 25mm Valve Type: Presta Mfr Claimed Weight 65g Note: Sold as a single tube.