2018 Kinesis Bikes Aithein Evo Base

	47cm	50cm	53cm	56cm	59cm
Stack	497.5mm	508.7mm	539mm	568.5mm	597.1mm
Reach	386.7mm	389.9mm	392.6mm	396.2mm	412.4mm
Stack to Reach Ratio	1.29:1	1.3:1	1.37:1	1.43:1	1.45:1
Seat Tube Length, C-C	430mm	460mm	490mm	520mm	550mm
Top Tube Length, Effective/Horizontal Center	510mm	528mm	540mm	559mm	584mm
Head Tube Angle	71deg	71.5deg	72deg	72.25deg	72.25deg
Seat Tube Angle	75deg	74.5deg	73.5deg	73deg	73deg
Head Tube Length	100mm	110mm	140mm	170mm	200mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	271mm	269mm	268mm	266mm	264mm
Chainstay Length	405mm	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	399.3mm	399.3mm	399.3mm	399.3mm	399.3mm
Front-Center	581.7mm	587.7mm	589.7mm	602.6mm	627.5mm
Front-Center Horizontal	577.8mm	583.8mm	585.8mm	598.8mm	623.8mm
Wheelbase	977mm	983mm	985mm	998mm	1023mm
Fork Offset/Rake	40.8mm	44mm	38.2mm	40.3mm	40mm
Trail	73.6mm high	66.4mm high	69.1mm high	64.6mm mid/neutral	64.3mm mid/neutral
Mechanical Trail	69.6mm	62.9mm	65.7mm	61.5mm	61.2mm
Wheel Flop	22.7mm	20mm	20.3mm	18.8mm	18.7mm
Standover Height	701mm	729mm	755mm	783mm	811mm
Tire to Pedal Spindle	72.7mm 170 mm cranks	80.7mm 170 mm cranks	83.7mm 170 mm cranks	98.6mm 170 mm cranks	125.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	99mm 170 mm cranks	98mm 170 mm cranks	96mm 170 mm cranks	94mm 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.kinesisbikes.co.uk/Catalogue/Models/Archive/Aithein-EVO

Geometry