Here's the wheel set that everyone's been waiting for! Nexus Internal Hubs were born out of necessity in urban sprawls where bicycle transportation is a way of life. All the gear mechanisms, seals and robust construction have been meticulously engineered to deliver accurate and smooth shifting with each use. These wheels will create a virtually maintenance free 8 speed hybrid/ Commuter bike Shifter and bell crank included Shim . Nexus 8-Speed Hub Specs Model Number: SG-C6001-SR Inter8: NEXUS Speeds: 8 Silent Clutch: yes Gear Change Support: yes Driving Efficiency: Standard Shifting Lever Compatibility: Works With Revo shifter (Included) Hub Shell Material: aluminum Hub Shell Finish: painted silver Axle Length: 120mm Over Locknut: 184mm Spoke Holes: 36H Sprocket Size: 22t Chain Line: 42.7mm Cable length: 60inches Wheel Specs: Rim: Silver double wall Rim Size: 700C X 22MM Clincher Profile: 30mm Material: 6061 T6 Aluminum Type: Double Wall Finish (Color): Silver Braking Surface: CNC Machined Sides Valve Hole: Schrader Spoke Material/Type: Stainless 14g Spoke Count: Front: 36 Rear: 36 Lacing: Standard 3 cross front, 3 cross rear Nipple: Brass Front Hub: Formula Ball Bearingbr> Hub Finish: Silver These wheels include 700 x 38c hybrid tires with tubes already mounted, front bolt on and all necessary mounting hardware for the rear hub. The shifter, cable and housing are included.