2021 Cairn Cycles E-Adventure 1.0 700C Base

	Small	Medium	Large	XLarge
Stack	551mm	570mm	593mm	607mm
Reach	370mm	384mm	393mm	403mm
Stack to Reach Ratio	1.49:1	1.48:1	1.51:1	1.51:1
Seat Tube Length, C-T	470mm	500mm	530mm	550mm
Top Tube Length, Effective/Horizontal Unknown	553mm	558mm	574mm	588mm
Top Tube Slope	11.3deg	9.8deg	8.9deg	8.2deg
Head Tube Angle	71deg	71deg	72deg	72deg
Seat Tube Angle	73.5deg	73deg	73deg	73deg
Head Tube Length	130mm	150mm	170mm	185mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	279mm	279mm	279mm	279mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	591mm	611mm	617mm	632mm
Front-Center Horizontal	585.7mm	606.7mm	612.7mm	627.7mm
Wheelbase	1010mm	1031mm	1037mm	1052mm
Fork Offset/Rake	48mm	48mm	48mm	48mm
Fork Length, Unknown	398mm	398mm	398mm	398mm
Trail	69.4mm high	69.4mm high	62.9mm mid/neutral	62.9mm mid/neutral
Mechanical Trail	65.6mm	65.6mm	59.9mm	59.9mm
Wheel Flop	21.4mm	21.4mm	18.5mm	18.5mm
Standover Height	770mm	790mm	820mm	835mm
Tire to Pedal Spindle	72mm 170 mm cranks	92mm 170 mm cranks	95.5mm 172.5 mm cranks	110.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	106.5mm 172.5 mm cranks	106.5mm 172.5 mm cranks

Published Sizing Recommendations

Height

158 cm

172 cm

168 cm

182 cm

175 cm

190 cm

180 cm

200 cm

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.cairncycles.com/collections/ebikes-e-adventure/products/cairn-e-adventure-1-0-gravel-bike