2021 Specialized Bicycles Sirrus 1.0 XS
Build
700C/29 in × 32 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 555mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 395mm |
| Top Tube Length, Actual C-C | 552mm |
| Top Tube Slope | 19.4deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 139mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.4mm |
| Front-Center | 622mm |
| Front-Center Horizontal | 618.6mm |
| Wheelbase | 1053mm |
| Fork Offset/Rake | 51mm |
| Trail | 70.6mm high |
| Mechanical Trail | 66.3mm |
| Wheel Flop | 22.7mm |
| Standover Height | 715mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 109mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 103mm |
1.0 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1739mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://www.specialized.com/au/en/sirrus-1-0/p/187467?color=301185-187467