2026 X-Lab SP3 Base S
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of X-Lab SP3
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 563mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 405mm |
| Top Tube Length, Actual C-C | 546mm |
| Top Tube Slope | 19.2deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 279mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 439.1mm |
| Front-Center | 619mm |
| Front-Center Horizontal | 614.9mm |
| Wheelbase | 1054mm |
| Fork Offset/Rake | 43.4mm |
| Fork Length (On-Axis) | 398mm |
| Trail | 81.6mm very high |
| Mechanical Trail | 76.7mm |
| Wheel Flop | 26.2mm |
| Standover Height | 727mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 109mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1756mm |
| Handlebar Width | 640mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 4 ft 11 in to 5 ft 4 in |
Source:xds.co