2018 Specialized Bicycles Men's Sirrus Sport M
Build
700C/29 in × 32 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 593mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 455mm |
| Top Tube Length, Effective/Horizontal Center | 576mm |
| Top Tube Slope | 16.5deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 179mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.4mm |
| Front-Center | 638mm |
| Front-Center Horizontal | 634.6mm |
| Wheelbase | 1069mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 390mm |
| Trail | 64.2mm mid/neutral |
| Mechanical Trail | 60.7mm |
| Wheel Flop | 19.8mm |
| Standover Height | 775mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 125mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 103mm |
Sport Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1755mm |
| Crank Length | 170mm |
| Handlebar Width | 580mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/mens-sirrus-sport/p/128883?color=239677-128883