2020 Alchemy Bicycles Ronin Ti Ultegra

	52	54	56	58	61
Stack	532mm	552mm	574mm	594mm	614mm
Reach	379mm	388mm	393mm	399mm	418mm
Stack to Reach Ratio	1.4:1	1.42:1	1.46:1	1.49:1	1.47:1
Seat Tube Length, C-T	500mm	525mm	545mm	565mm	580mm
Top Tube Length, Effective/Horizontal Unknown	530mm	549mm	563mm	575mm	601mm
Top Tube Slope	5.6deg	5.1deg	5.4deg	5.3deg	5.7deg
Head Tube Angle	71deg	71.5deg	72deg	72.5deg	72.5deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	110mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm
Front-Center	595mm	605mm	610mm	620mm	645mm
Front-Center Horizontal	590.8mm	600.8mm	610.8mm	615.8mm	640.8mm
Wheelbase	1010mm	1020mm	1030mm	1035mm	1060mm
Fork Offset/Rake	49.9mm	48.9mm	51.4mm	49.2mm	48.9mm
Trail	68.8mm high	66.6mm high	60.7mm mid/neutral	59.7mm mid/neutral	60mm mid/neutral
Mechanical Trail	65.1mm	63.1mm	57.7mm	57mm	57.2mm
Wheel Flop	21.2mm	20mm	17.8mm	17.1mm	17.2mm
Standover Height	760mm	780mm	800mm	820mm	840mm
Tire to Pedal Spindle	72mm 170 mm cranks	82mm 170 mm cranks	87mm 170 mm cranks	97mm 170 mm cranks	122mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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://alchemybicycles.com/product/ronin-ti/

Geometry