2021 Stevens Bikes P18 Base

	52	55	58	61
Stack	603mm	624mm	645mm	666mm
Reach	385mm	393mm	402mm	407mm
Stack to Reach Ratio	1.57:1	1.59:1	1.6:1	1.64:1
Seat Tube Length, C-T	520mm	550mm	580mm	610mm
Top Tube Length, Effective/Horizontal HT Top	575mm	590mm	605mm	617mm
Top Tube Slope	11.2deg	10.1deg	9.1deg	8.1deg
Head Tube Angle	69deg	69.5deg	70deg	70.5deg
Seat Tube Angle	72.5deg	72.5deg	72.5deg	72.5deg
Head Tube Length	135mm	155mm	175mm	195mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	286mm	286mm	286mm	286mm
Chainstay Length	446mm	446mm	446mm	446mm
Chainstay Length Horizontal	441.2mm	441.2mm	441.2mm	441.2mm
Front-Center	640mm	652mm	662mm	669mm
Front-Center Horizontal	637.8mm	647.8mm	658.8mm	665.8mm
Wheelbase	1079mm	1089mm	1100mm	1107mm
Fork Offset/Rake	43mm	43mm	43mm	43mm
Fork Length, Unknown	455mm	455mm	455mm	455mm
Trail	88.7mm very high	85.3mm very high	82mm very high	78.7mm high
Mechanical Trail	82.8mm	79.9mm	77.1mm	74.2mm
Wheel Flop	29.7mm	28mm	26.4mm	24.8mm
Standover Height	777mm	802mm	828mm	854mm
Tire to Pedal Spindle	119mm 170 mm cranks	131mm 170 mm cranks	141mm 170 mm cranks	148mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 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://stevensbikes.de/2021/index.php?bik_id=188&cou=DE&lang=en_US

Geometry