2019 Specialized Bicycles Men's Sirrus Pro Carbon M
Build
700C/29 in × 30 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 631mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.64:1 |
| Seat Tube Length, C-T | 452.8mm |
| Top Tube Length, Effective/Horizontal HT Top | 573mm |
| Top Tube Slope | 21deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 169mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.3mm |
| Front-Center | 635mm |
| Front-Center Horizontal | 630.7mm |
| Wheelbase | 1060mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 390mm |
| Trail | 63.5mm mid/neutral |
| Mechanical Trail | 60mm |
| Wheel Flop | 19.5mm |
| Standover Height | 788mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 124mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
Pro Carbon Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Bike Length with Tires | 1742mm |
| Crank Length | 170mm |
| Handlebar Width | 580mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/mens-sirrus-pro-carbon/p/154508?color=240187-154508