2026 Lapierre Prorace 4.9 XL
Build
700C/29 in × 57 mm
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 616mm |
| Reach | 480mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal Center | 657mm |
| Top Tube Slope | 11.5deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 62mm |
| Bottom Bracket Height | 306mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.5mm |
| Front-Center | 753.1mm |
| Front-Center Horizontal | 750.6mm |
| Wheelbase | 1171mm |
| Fork Offset/Rake | 43.3mm |
| Trail | 102mm very high |
| Mechanical Trail | 94.5mm |
| Wheel Flop | 35.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 215.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 136mm |
4.9 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 57mm |
| Tire Outer Diameter | 736mm |
| Bike Length with Tires | 1907mm |
| Stem Length | 70mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:lapierrebikes.com