2024 A-Frame Cycles Track Base

	Small	Medium	Large
Stack	515.4mm	548mm	576mm
Reach	386.3mm	401mm	415.6mm
Stack to Reach Ratio	1.33:1	1.37:1	1.39:1
Seat Tube Length, C-T	540mm	575mm	604mm
Seat Tube Length, C-C	500mm	535mm	564mm
Top Tube Length, Effective/Horizontal Center	525mm	553mm	575mm
Top Tube Length, Actual C-C	525mm	553mm	575mm
Top Tube Slope	0deg	0deg	0deg
Head Tube Angle	75deg	74.5deg	75deg
Seat Tube Angle	75deg	74.5deg	74.5deg
Head Tube Length	125.5mm	158mm	185.5mm
Bottom Bracket Drop	46.8mm	46.8mm	46.8mm
Bottom Bracket Height	292.2mm	292.2mm	292.2mm
Chainstay Length	383.2mm	383.2mm	383.2mm
Chainstay Length Horizontal	380.3mm	380.3mm	380.3mm
Front-Center	542.9mm	571mm	588.3mm
Front-Center Horizontal	540.9mm	569.1mm	586.4mm
Wheelbase	921.2mm	949.4mm	966.7mm
Fork Offset/Rake	28mm	28mm	28mm
Trail	61.9mm mid/neutral	65mm mid/neutral	61.9mm mid/neutral
Mechanical Trail	59.7mm	62.6mm	59.7mm
Wheel Flop	15.5mm	16.7mm	15.5mm
Tire to Pedal Spindle	33.9mm 170 mm cranks	62mm 170 mm cranks	79.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	122.2mm 170 mm cranks	122.2mm 170 mm cranks	122.2mm 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://aframecycles.com/products/a-frame-track-one?variant=42839299588277

Geometry