• Number of spoke holes: 36
• Shimano group: Nexus
• Shimano model code: SG-C30017
• Model year: 2018
• Number of gears: 7
• Brake type: Coaster brake / brake hub
• Spoke holes: 36
• Axle length: 175.5 mm
• Installation dimension: 127 mm
• Colour: silver
