2025 TWITTER Bikes Gravel V3 new

	45	48	50	52	54
Stack	528.8mm	544.9mm	554.4mm	572.6mm	582.9mm
Reach	375.4mm	371.1mm	379.4mm	384.1mm	390.6mm
Stack to Reach Ratio	1.41:1	1.47:1	1.46:1	1.49:1	1.49:1
Seat Tube Length, C-T	450mm	480mm	500mm	520mm	540mm
Top Tube Length, Effective/Horizontal Center	524mm	524.3mm	535.2mm	545mm	554.5mm
Top Tube Slope	10.9deg	9.4deg	8.1deg	7.8deg	6.7deg
Head Tube Angle	70deg	71deg	71deg	71.5deg	72deg
Seat Tube Angle	74.3deg	74.3deg	74.3deg	74.3deg	74.3deg
Head Tube Length	113mm	126mm	136mm	150mm	162mm
Bottom Bracket Drop	74mm	74mm	74mm	74mm	74mm
Bottom Bracket Height	277mm	277mm	277mm	277mm	277mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	418.5mm	418.5mm	418.5mm	418.5mm	418.5mm
Front-Center	603.9mm	596mm	607.5mm	613.4mm	618.2mm
Front-Center Horizontal	599.4mm	591.4mm	603mm	608.9mm	613.8mm
Wheelbase	1017.9mm	1009.9mm	1021.5mm	1027.4mm	1032.3mm
Fork Offset/Rake	55mm	55mm	55mm	55mm	55mm
Fork Length (Axle-To-Crown)	391mm	391mm	391mm	391mm	391mm
Trail	69.2mm high	62.7mm mid/neutral	62.7mm mid/neutral	59.5mm mid/neutral	56.2mm mid/neutral
Mechanical Trail	65.1mm	59.3mm	59.3mm	56.4mm	53.5mm
Wheel Flop	22.3mm	19.3mm	19.3mm	17.9mm	16.5mm
Tire to Pedal Spindle	82.9mm 170 mm cranks	75mm 170 mm cranks	86.5mm 170 mm cranks	92.4mm 170 mm cranks	97.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 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.

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Geometry