2021 Twin Six Standard Ti Road Disc Base

	51	53	55	57	59
Stack	524mm	546mm	564mm	584mm	602mm
Reach	368mm	370mm	380mm	393mm	401mm
Stack to Reach Ratio	1.42:1	1.48:1	1.48:1	1.49:1	1.5:1
Seat Tube Length, Unknown	500mm	520mm	550mm	570mm	580mm
Top Tube Length, Effective/Horizontal Unknown	520mm	530mm	550mm	570mm	590mm
Top Tube Slope	4.9deg	5.2deg	4deg	4deg	4.9deg
Head Tube Angle	72deg	72.5deg	73deg	73.5deg	74deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	110mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	73mm	70mm	70mm	70mm	67mm
Bottom Bracket Height	266mm	269mm	269mm	269mm	272mm
Chainstay Length	412mm	412mm	415mm	415mm	418mm
Chainstay Length Horizontal	405.5mm	406mm	409.1mm	409.1mm	412.6mm
Front-Center	566.2mm	566.3mm	578.2mm	592.1mm	601.2mm
Front-Center Horizontal	561.5mm	562mm	574mm	588mm	597.4mm
Wheelbase	967mm	968mm	983mm	997mm	1010mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm
Trail	64.9mm mid/neutral	61.8mm mid/neutral	58.7mm mid/neutral	55.6mm mid/neutral	52.5mm mid/neutral
Mechanical Trail	61.8mm	58.9mm	56.1mm	53.3mm	50.4mm
Wheel Flop	19.1mm	17.7mm	16.4mm	15.1mm	13.9mm
Standover Height	745mm	765mm	787mm	807mm	828mm
Tire to Pedal Spindle	57.2mm 170 mm cranks	57.3mm 170 mm cranks	69.2mm 170 mm cranks	83.1mm 170 mm cranks	92.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	102mm 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.twinsix.com/collections/bikes-bits/products/standard-ti-road-pre-order?variant=14999208134

Geometry