2025 Compagnon Gravel Base L

Build

650B/27.5 in × 50 mm

Insights

Somewhat upright stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
646mm
Reach
402.5mm
Stack to Reach Ratio
1.6:1
Seat Tube Length, C-T
530mm
Seat Tube Length, C-C
470mm
Top Tube Length, Effective/Horizontal HT Top
600mm
Top Tube Slope
14.1deg
Head Tube Angle
72deg
Seat Tube Angle
72deg
Head Tube Length
183mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
270mm
Chainstay Length
460mm
Chainstay Length Horizontal
454.3mm
Front-Center
656.1mm
Front-Center Horizontal
652.1mm
Wheelbase
1106.4mm
Fork Offset/Rake
60mm
Fork Length (On-Axis)
420mm
Trail
48mm
mid/​neutral
Mechanical Trail
45.7mm
Wheel Flop
14.1mm
Tire to Pedal Spindle Distance
With 170 mm cranks
144.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
100mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
50mm
Tire Outer Diameter
684mm
Bike Length with Tires
1790.4mm
Handlebar Width
440mm
Stem Length
60mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
181 cm
to
192 cm
Source:https://www.velocompagnon.com/boutique/velos/le-gravel/