2017 Cannondale Scalpel-Si Carbon S (27.5)
Build
650B/27.5 in × 2.25 in
Insights
Very aggressive stack and reach vs trend of full-suspension cross-country mtb bikes
Design deviates from other sizes of Cannondale Scalpel-Si
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 550mm |
| Reach | 407mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 570mm |
| Top Tube Slope | 17.7deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 97mm |
| Bottom Bracket Drop | 20mm |
| Bottom Bracket Height | 329.2mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 424.5mm |
| Front-Center | 653mm |
| Front-Center Horizontal | 654.5mm |
| Wheelbase | 1079mm |
| Fork Offset/Rake | 50mm |
| Trail | 77.2mm high |
| Mechanical Trail | 72.3mm |
| Wheel Flop | 25.3mm |
| Standover Height | 716mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 133.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 159.2mm |
Carbon Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1777.3mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Rear Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://d2yn9m4p3q9iyv.cloudfront.net/cannondale/2017/geometry/0fd10.jpeg