Specifications
Drivetrain
| Chain | KMC Z51, 7-speed |
|---|---|
| Crank | Stout, forged alloy |
| Derailleurs | Front: Shimano Tourney, top swing, 31.8mm band clamp - Rear: Shimano Tourney, 7-speed |
| Shifters | Shimano EF51, EZ Fire Plus, 7-speed |
| Cassette | Shimano Tourney freewheel, 7-speed, 14-34t |
Frameset
| Fork | Roll Disc Steel, fender/rack mounts |
|---|---|
| Frame | Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, disc mount, fender/rack mounts |
| Forged alloy, 17-degree rise, 31.8mm clamp |
Wheels
| Hub | Front: Specialized disc, double-sealed, loose ball bearings, 9mm QR - Rear: Specialized disc, loose ball bearings, QR |
|---|---|
| Rims | Specialized Roll, double-wall, disc |
| Spokes | Stainless, 14g |
| Tyres | Front: Nimbus Sport, 650bx2.3", 60TPI, BlackBelt protection - Rear: Nimbus Sport, 650bx2.3", 60TPI, BlackBelt protection |
Brakes
| Brakes | Front: Tektro, mechanical disc, resin pads, 160mm rotor - Rear: Tektro, mechanical disc, resin pads, 160mm rotor |
|---|
Components
| Handlebar | Specialized Roll, 6061 alloy, 15-degree backsweep, 5-degree upsweep, 125mm rise, 31.8mm |
|---|---|
| Saddle | Body Geometry The Cup, steel rails, 245mm |
| Seatpost | Dual-Bolt Diecast Head, AL6061 Post, Spring Suspension |
| Stem | Forged alloy, 17-degree rise, 31.8mm clamp |
| Pedals | Specialized City platform |
geometry
| Stack | |
|---|---|
| Reach | |
| Head-Tube Length | |
| Head-Tube Angle | |
| B-B Height | |
| B-B Drop | |
| Trail | |
| Fork Length (full) | |
| Fork Rake/Offset | |
| Front-Center | |
| Chain-Stay Length | |
| Wheelbase | |
| Top-Tube Length (horizontal) | |
| Bike Stand-Over Height | |
| Seat-Tube Length | |
| Seat-Tube Angle | |
| Crank Length | |
| Handlebar Width | |
| Stem Length | |
| Saddle Width | |
| Seat Post Length |
Other models in the Roll (2017) serie
Roll Elite
RRP £ 550
Roll Elite Low Entry
RRP £ 550