TOM rear wheel Rear wheel with Zac 2000 rim and Shimano brake hub for city bikes. General specifications: Color: black Size: 28 inch ETRTO: 622 Type of bicycle: city bike Brake type: brake hub (coaster brake) Position: rear Rim specifications: Color: black Inner width: 19 mm Outer width: 24.6 mm Height: 21.5 mm Material: aluminum Valve hole: 8.5 mm Equipped with rim flange: yes Bushed: no Spoke specifications: Number: 36 Material: Stainless steel Hub specifications: Hub type: Shimano cb-e110 Installation width: 110 mm Axle length: 165 mm Material: steel