2026 Lapierre Prorace 4.9

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Disc brake
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
M
L
XL
Stack
597mm
602mm
607mm
616mm
Reach
410mm
435mm
455mm
480mm
Stack to Reach Ratio
1.46:1
1.38:1
1.33:1
1.28:1
Seat Tube Length, C-T
390mm
430mm
470mm
510mm
Top Tube Length, Effective/Horizontal Center
581mm
608mm
628mm
657mm
Top Tube Slope
23.2deg
18.8deg
14.9deg
11.5deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
74deg
74deg
74deg
74deg
Head Tube Length
90mm
95mm
100mm
110mm
Bottom Bracket Drop
62mm
62mm
62mm
62mm
Bottom Bracket Height
306mm
306mm
306mm
306mm
Chainstay Length
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420.5mm
420.5mm
420.5mm
420.5mm
Front-Center
676.4mm
703.3mm
724.2mm
753.1mm
Front-Center Horizontal
673.6mm
700.6mm
721.6mm
750.6mm
Wheelbase
1094mm
1121mm
1142mm
1171mm
Fork Offset/Rake
43.9mm
43.9mm
43mm
43.3mm
Trail
101.3mm
very high
101.3mm
very high
102.3mm
very high
102mm
very high
Mechanical Trail
93.9mm
93.9mm
94.9mm
94.5mm
Wheel Flop
35.2mm
35.2mm
35.5mm
35.4mm
Tire to Pedal Spindle
138.4mm
170 mm cranks
165.3mm
170 mm cranks
186.2mm
170 mm cranks
215.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
136mm
170 mm cranks
136mm
170 mm cranks
136mm
170 mm cranks
136mm
170 mm cranks

4.9 Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
57mm
57mm
57mm
57mm
Tire Outer Diameter
736mm
736mm
736mm
736mm
Bike Length with Tires
1830mm
1857mm
1878mm
1907mm
Stem Length
60mm
70mm
70mm
70mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale