Name: 2025 A-Frame Cycles Alltrack Base
Brand: A-Frame Cycles

	48	51	53	55	58
Stack	527.4mm	547.9mm	568.5mm	587.4mm	613.1mm
Reach	368.9mm	379.5mm	394.9mm	405.3mm	410mm
Stack to Reach Ratio	1.43:1	1.44:1	1.44:1	1.45:1	1.5:1
Seat Tube Length, C-T	480mm	510mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal Unknown	512mm	527mm	547mm	563mm	580mm
Head Tube Angle	71deg	72deg	73deg	73.5deg	74deg
Seat Tube Angle	75deg	75deg	75deg	74.5deg	74.5deg
Head Tube Length	106mm	124mm	142mm	160mm	185mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm	60mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	410.6mm	410.6mm	410.6mm	410.6mm	410.6mm
Front-Center	570mm	578mm	590mm	601mm	608mm
Front-Center Horizontal	566.8mm	574.9mm	586.9mm	598mm	605mm
Wheelbase	977.5mm	985.5mm	997.6mm	1008.6mm	1015.7mm
Fork Offset/Rake	35mm	35mm	35mm	35mm	35mm
Fork Length (Axle-To-Crown)	382mm	382mm	382mm	382mm	382mm
Trail	81.1mm very high	74.7mm high	68.3mm high	65.1mm high	61.9mm mid/neutral
Mechanical Trail	76.7mm	71mm	65.3mm	62.4mm	59.5mm
Wheel Flop	25mm	21.9mm	19.1mm	17.7mm	16.4mm
Tire to Pedal Spindle	62mm 165 mm cranks	70mm 165 mm cranks	82mm 165 mm cranks	93mm 165 mm cranks	100mm 165 mm cranks
Pedal Spindle to Ground Clearance	118mm 165 mm cranks	118mm 165 mm cranks	118mm 165 mm cranks	118mm 165 mm cranks	118mm 165 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://aframecycles.com/products/a-frame-alltrack-frameset-pre-order

2025 A-Frame Cycles Alltrack Base

Geometry