2025 BXT BXT-GRAVEL-135 Base

	49	52	54	56	58
Stack	519mm	544.4mm	565.3mm	589.9mm	609.7mm
Reach	374.1mm	378.4mm	387.1mm	398.2mm	406.1mm
Stack to Reach Ratio	1.39:1	1.44:1	1.46:1	1.48:1	1.5:1
Seat Tube Length, C-T	477mm	507mm	528mm	546mm	566mm
Top Tube Length, Effective/Horizontal Center	518mm	534.5mm	554.5mm	578.5mm	592.5mm
Top Tube Slope	6.8deg	6.3deg	6.3deg	6.9deg	6.8deg
Head Tube Angle	70deg	70deg	71deg	71deg	71deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	73deg
Head Tube Length	95mm	122mm	140mm	166mm	187mm
Bottom Bracket Drop	71mm	71mm	71mm	71mm	71mm
Bottom Bracket Height	287mm	287mm	287mm	287mm	287mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.2mm	429.2mm	429.2mm	429.2mm	429.2mm
Front-Center	594.6mm	608.1mm	614.4mm	633.7mm	648.4mm
Front-Center Horizontal	590.3mm	603.9mm	610.1mm	629.7mm	644.4mm
Wheelbase	1019.5mm	1033.1mm	1039.3mm	1058.9mm	1073.6mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	77.1mm high	77.1mm high	70.4mm high	70.4mm high	70.4mm high
Mechanical Trail	72.4mm	72.4mm	66.6mm	66.6mm	66.6mm
Wheel Flop	24.8mm	24.8mm	21.7mm	21.7mm	21.7mm
Tire to Pedal Spindle	66.6mm 170 mm cranks	80.1mm 170 mm cranks	86.4mm 170 mm cranks	105.7mm 170 mm cranks	120.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	117mm 170 mm cranks	117mm 170 mm cranks	117mm 170 mm cranks	117mm 170 mm cranks	117mm 170 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:https://www.bxtcycle.com/carbon-gravel-bike-frame_p70.html

Geometry