2025 Lapierre XRM 7.9 Base S
Build
700C/29 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 584mm |
| Reach | 415mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, Unknown | 390mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Top Tube Slope | 21.8deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 85mm |
| Bottom Bracket Drop | -40mm |
| Bottom Bracket Height | 410.7mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 433.2mm |
| Front-Center | 702mm |
| Front-Center Horizontal | 700.8mm |
| Wheelbase | 1134mm |
| Fork Offset/Rake | 7.3mm |
| Trail | 157mm very high |
| Mechanical Trail | 143.5mm |
| Wheel Flop | 58.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 161.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 240.7mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1875.4mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Steel |
| Brake Type | Disc |
| Features | Single-speed capable |
Source:https://www.lapierrebikes.com/be-en/o/xrm-79-lrbra/?HEIGHTS=M