2026 Specialized Bicycles Sirrus X 5.0 - Carbon "Compliance Junction" Frame XS
Build
700C/29 in × 38 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Specialized Bicycles Sirrus X
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 580mm |
| Reach | 350mm |
| Stack to Reach Ratio | 1.66:1 |
| Seat Tube Length, C-T | 355mm |
| Top Tube Length, Effective/Horizontal HT Top | 521mm |
| Top Tube Slope | 28.1deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 107mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 432.7mm |
| Front-Center | 597mm |
| Front-Center Horizontal | 591.3mm |
| Wheelbase | 1024mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 76mm high |
| Mechanical Trail | 71.2mm |
| Wheel Flop | 24.9mm |
| Standover Height | 703.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
5.0 - Carbon "Compliance Junction" Frame Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1722mm |
| Stem Length | 60mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:www.specialized.com