Rim28 x 1.3/836 hole, aluminum, mattETRTO 622-22Valve hole 8.5 mmHubFront wheelAlu, low flangeGW 100 mmSpokes zincQuick release - Purpose: City & Trekking - Axle system: VR 15x100 mm - Axle standard: quick release - Design: front hub - For quick release rims - Mouth width: 19 mm - Material: Aluminum - Tire type: Clincher - Size: 28 inch - Construction: Hollow - Height: 15 mm - Tread height: low (< 30mm) - Brake system: without - Valve hole: 8.5 mm mm - ETRTO (width x diameter): 622-22 mm Spokes - Spoked: yes