Shimano Nexus 8i speed black hub SG-C6000-8R internal roller brake black complete with accessories (sprocket not included) Expansion version, it can be mounted with cantilever or vbrake brakes or with special shimano rollebrake brakes for sale on our site. Shimano rear hub Specifications: Color: Gray Material: steel Type of brake: roller brake Number of holes: 36 Number of gears: 8 speed Installation width: 125 mm Axle length: 180 mm Weight: 1684 grams Product type: Nexus (SG-C6000-8R) PARTS AND SHIFTER INCLUDED COG NOT INCLUDED (+ 6 Eur)