2026 Specialized Bicycles Men's Sirrus X XS
Build
700C/29 in × 40 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, C-T | 395mm |
| Top Tube Length, Effective/Horizontal Center | 560mm |
| 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 | 281mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.4mm |
| Front-Center | 623mm |
| Front-Center Horizontal | 618.6mm |
| Wheelbase | 1053mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 395mm |
| Trail | 73.5mm high |
| Mechanical Trail | 69.1mm |
| Wheel Flop | 23.6mm |
| Standover Height | 725mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 107mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 116mm |
X Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1755mm |
| Crank Length | 165mm |
| Handlebar Width | 680mm |
| Stem Length | 60mm |
| 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/sirrus-x-30/p/4277662?color=5442176-4277662