2017 Specialized Bicycles Roll Sport Base L
Build
650B/27.5 in × 2.3 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 647mm |
| Reach | 370.4mm |
| Stack to Reach Ratio | 1.75:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Actual C-C | 645mm |
| Top Tube Slope | 20.1deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 69deg |
| Head Tube Length | 215mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 280.4mm |
| Chainstay Length | 480mm |
| Chainstay Length Horizontal | 474.9mm |
| Front-Center | 654.9mm |
| Front-Center Horizontal | 651.1mm |
| Wheelbase | 1126mm |
| Fork Offset/Rake | 55mm |
| Fork Length (On-Axis) | 420mm |
| Trail | 89mm very high |
| Mechanical Trail | 81.9mm |
| Wheel Flop | 32mm |
| Standover Height | 824mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 134.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110.4mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 700.8mm |
| Bike Length with Tires | 1826.8mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Swept Back Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.specialized.com/ca/en/roll-sport/p/129094