2026 Baumier B01 Gravel

	50	53	55	57	60
Stack	540mm	564mm	588mm	612mm	636mm
Reach	382mm	390mm	398mm	404mm	410mm
Stack to Reach Ratio	1.41:1	1.45:1	1.48:1	1.51:1	1.55:1
Seat Tube Length, Unknown	500mm	530mm	550mm	570mm	600mm
Top Tube Length, Actual C-C	520.8mm	538.6mm	559.6mm	577.3mm	59.4mm
Top Tube Slope	6.5deg	5.9deg	6.3deg	6.8deg	6.2deg
Head Tube Angle	71.2deg	71.6deg	71.8deg	72deg	72.2deg
Seat Tube Angle	74.1deg	73.7deg	73deg	72.5deg	72.1deg
Head Tube Length	104mm	127mm	154mm	178mm	203mm
Bottom Bracket Drop	78mm	78mm	76mm	76mm	76mm
Bottom Bracket Height	278mm	278mm	280mm	280mm	280mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428mm	428mm	428.3mm	428.3mm	428.3mm
Front-Center	587mm	599mm	614mm	625mm	637mm
Front-Center Horizontal	587.1mm	599.1mm	613.7mm	625.7mm	636.7mm
Wheelbase	1015mm	1027mm	1042mm	1054mm	1065mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm
Trail	73.7mm high	71mm high	69.7mm high	68.4mm high	67mm high
Mechanical Trail	69.7mm	67.4mm	66.2mm	65mm	63.8mm
Wheel Flop	22.5mm	21.3mm	20.7mm	20.1mm	19.5mm
Tire to Pedal Spindle	76mm 155 mm cranks	83mm 160 mm cranks	93mm 165 mm cranks	99mm 170 mm cranks	106mm 175 mm cranks
Pedal Spindle to Ground Clearance	123mm 155 mm cranks	118mm 160 mm cranks	115mm 165 mm cranks	110mm 170 mm cranks	105mm 175 mm cranks

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.

Category Trend

Source:baumier.com

Geometry