Roland Ryde front wheel General specifications: Colour: silver Material: aluminium Inch size: 26 inch ETRTO size: 25 x 559 Type of bicycle: city bike Brake type: n/a Position: front Weight: 1080 grams Rim specifications: Width: 30 mm Inner width: 24.7 mm Height: 16.7 mm Valve hole: 8.3 mm Spoke specifications: Number: 36 Spoke thickness: 13G (2.3 mm) Hub specifications: Installation width: 85 mm Axle length: 140 mm Material: steel