Overview They say that every journey begins with a single step, but when that journey is related to exercise, that first step can sure be a doozy. It can be life-changing, however, and there's no better machine to take the plunge with than with the Roll. Tech Specs: Frame: Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, post-mount disc, fender/rack mounts Fork: Steel formed tubes, post-mount disc, fender/rack mounts Bottom Bracket: 68mm, square taper, 124.5mm length Stem: 3D-forged alloy, 31.8mm, 7-degree rise Handlebar: Specialized Roll, 6061 alloy, Double butted, 15-degree backsweep, 136mm rise, 31.8mm Saddle: Specialized Body Geometry Comfort Gel Seatpost: Spring suspension, alloy, 27.2mm, 2-bolt clamp Pedals: Specialized Body Geometry Fitness, platform, plastic Grips: Slip-on, Closed End Grips Groupset: Rear Derailleur: MicroSHIFT Advent 8-Speed, W/O Clutch Crank: 3 pc, Alloy Forged Arms, 40T Shifters: MicroSHIFT, 8-speed Cassette: MicroSHIFT, 8-Speed, 12-42t Chain: KMC X8 w/ Missing Link™, 8-speed Brakes: Tektro HD-T275, hydraulic disc, 180mm Wheelset: Rims: 650b disc, double-wall alloy, pinned, 36h Spokes: Stainless, 14g Front Hub: Alloy, 6-bolt disc, loose ball bearing, quick-release, 36h Rear Hub: Alloy, 6-bolt disc, Shimano, 8/9-speed freehub, 135mm spacing, quick-release, 36h Tires: Front: Nimbus II Sport, 650b x 2.3", Rear: Nimbus II Sport, 650b x 2.3"
