2021 Böttcher Fahrräder Evolution 27.5

	48	53	58	63
Stack	604mm	623mm	641mm	670mm
Reach	386mm	395mm	403mm	394mm
Stack to Reach Ratio	1.56:1	1.58:1	1.59:1	1.7:1
Seat Tube Length, C-T	480mm	530mm	580mm	630mm
Top Tube Length, Effective/Horizontal HT Top	540mm	557mm	579mm	579mm
Top Tube Slope	15.4deg	11.9deg	8.6deg	6.8deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	74deg	73.5deg	73deg	72.5deg
Head Tube Length	140mm	160mm	180mm	210mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	288mm	288mm	288mm	288mm
Chainstay Length	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	445.3mm	445.3mm	445.3mm	445.3mm
Front-Center	626.1mm	640mm	656mm	669.9mm
Front-Center Horizontal	622.7mm	636.7mm	652.7mm	666.7mm
Wheelbase	1068mm	1082mm	1098mm	1112mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Trail	68.7mm high	68.7mm high	68.7mm high	68.7mm high
Mechanical Trail	64.9mm	64.9mm	64.9mm	64.9mm
Wheel Flop	21.1mm	21.1mm	21.1mm	21.1mm
Tire to Pedal Spindle	103.1mm 170 mm cranks	117.1mm 170 mm cranks	133mm 170 mm cranks	146.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	118mm 170 mm cranks	118mm 170 mm cranks	118mm 170 mm cranks	118mm 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.boettcher-fahrraeder.de/fahrrad/142/Evolution+Rohloff+B%C3%B6ttcher

Geometry