2026 BC Original Gravel Base XL

Build

700C/29 in × 45 mm

Insights

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

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
608mm
Reach
430mm
Stack to Reach Ratio
1.41:1
Seat Tube Length, Unknown
510mm
Top Tube Length, Effective/Horizontal Unknown
615mm
Top Tube Slope
11.7deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
190mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
301mm
Chainstay Length
425mm
Chainstay Length Horizontal
421.4mm
Front-Center
680.8mm
Front-Center Horizontal
678.6mm
Wheelbase
1100mm
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
154.8mm
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
1812mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
185 cm
to
200 cm