Shimano Nexus SG-C6001-8V Internally Geared Rim Brake Rear Hub Description: The Nexus SG-C6001 Internally Geared Hub offers Shimano's well-known durability for years of trouble-free use. Smooth eight-speed internal shifting is maintenance free so time can be spent riding versus wrenching. Features: Maintance free internal design 132mm over locknut Dimension 8-speed Cog, washers, and nuts sold separately Specifications: Position: Rear Brake Type: Rim Brake Axle Type: Solid Axle Hub Spacing: 3/8" x 130mm Drive Type (Rear Hub): - Spoke Count: 36H Spoke Type: J-Bend Left Side Flange Diameter: 105.2 Right Side Flange Diameter: 105.2 Left Side Center to Flange: - Right Side Center to Flange: - Bearing Type: Loose Ball Color: Silver Weight: 1745g