Straps install onto any round tube from 12mm to 60mm (0.5 to 2.4), as well as most irregular and aero-shaped tubing found on bicyclesRotating articulating clamps allow for secure installation onto virtually any bicycle in a wide range of positionsUsable extension length of 18` to 32`Collapses and folds to 17` for easy storageHBH-3UPC/EAN/GTIN: 763477003577