TOM rear wheel Rear wheel with Ryde Zac 19 rim and Nuvinci N330 hub for stepless shifting. In addition to the roller brake, the rim is also suitable for V-brakes, is delivered bare (without accessories such as nuts and shifters). General specifications: Type of bike: city bike, electric bike Inch size: 28 inch ETRTO size: 622 Position: rear Brake system: V-brakes, roller brake Rim specifications: Rim type: Ryde Zac 19 Rim colour: silver Rim flange colour: silver Material: aluminium Width: 24.4 mm Inner width: 19 mm Height: 17.5 mm Valve hole: 8.5 mm Spoke specifications: Number: 36 Spoke thickness: 2.34 mm Material: Stainless steel Hub specifications: Type: Nuvinci N330 Hub type: freewheel Axle type: solid axle Gear shifting system: stepless shifting (CVPs) Material: steel Axle length: 183 mm Installation width: 135 mm Colour: black