2026 BC Original Gravel Base L

Build

700C/29 in × 45 mm

Insights

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

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
595mm
Reach
404mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, Unknown
495mm
Top Tube Length, Effective/Horizontal Unknown
585mm
Top Tube Slope
12.5deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
175mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
301mm
Chainstay Length
425mm
Chainstay Length Horizontal
421.4mm
Front-Center
650.9mm
Front-Center Horizontal
648.6mm
Wheelbase
1070mm
Fork Offset/Rake
50mm
Trail
76.4mm
high
Mechanical Trail
71.8mm
Wheel Flop
24.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
124.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
131mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
45mm
Tire Outer Diameter
712mm
Bike Length with Tires
1782mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
175 cm
to
190 cm