Roland ZAC2000 rear wheel General specifications: Color: silver Type of bike: city bike Inch size: 28 inch ETRTO size: 622-19 Position: rear Weight: 1515 grams Rim specifications: Brand: Ryde Model: ZAC2000 Width: 24.6 mm Inner width: 18.6 mm Height: 20.8 mm Valve hole: 8.3 mm Spoke specifications: Number: 36 Material: Stainless steel Spoke thickness: 13G (2.34 mm) Hub specifications: Hub type: Quando Body: 7V Installation width: 135 mm Axle length: 175 mm Material: steel Contents: 1 Rear wheel 1 Quick release