2026 Lapierre Prorace 4.9 S

Build

700C/29 in × 57 mm

Insights

Average 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
View all sizes

Geometry

Stack
597mm
Reach
410mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
390mm
Top Tube Length, Effective/Horizontal Center
581mm
Top Tube Slope
23.2deg
Head Tube Angle
68deg
Seat Tube Angle
74deg
Head Tube Length
90mm
Bottom Bracket Drop
62mm
Bottom Bracket Height
306mm
Chainstay Length
425mm
Chainstay Length Horizontal
420.5mm
Front-Center
676.4mm
Front-Center Horizontal
673.6mm
Wheelbase
1094mm
Fork Offset/Rake
43.9mm
Trail
101.3mm
very high
Mechanical Trail
93.9mm
Wheel Flop
35.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
138.4mm
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
1830mm
Stem Length
60mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
100mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Unknown
Brake Type
Disc