2018 Ridgeback Tour Base

	50cm	52cm	54cm	57cm	60cm
Stack	552mm	573mm	594mm	613mm	634mm
Reach	365mm	375mm	385mm	395mm	405mm
Stack to Reach Ratio	1.51:1	1.53:1	1.54:1	1.55:1	1.57:1
Seat Tube Length, Unknown	490mm	520mm	550mm	570mm	590mm
Top Tube Length, Effective/Horizontal Center	523mm	545mm	561mm	582mm	605mm
Head Tube Angle	70.5deg	71deg	71.5deg	71.5deg	72deg
Seat Tube Angle, Unknown	74deg	73.5deg	73.5deg	73deg	72.5deg
Head Tube Length	115mm	135mm	155mm	175mm	195mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	264mm	264mm	264mm	264mm	264mm
Chainstay Length	450mm	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	443.7mm	443.7mm	443.7mm	443.7mm	443.7mm
Front-Center	592.1mm	604mm	615.9mm	632.8mm	643.7mm
Front-Center Horizontal	587.3mm	599.3mm	611.3mm	628.3mm	639.3mm
Wheelbase	1031mm	1043mm	1055mm	1072mm	1083mm
Fork Offset/Rake	50.3mm	49.9mm	49.9mm	50.5mm	50.1mm
Trail	66.7mm high	63.9mm mid/neutral	60.8mm mid/neutral	60.2mm mid/neutral	57.5mm mid/neutral
Mechanical Trail	62.8mm	60.4mm	57.7mm	57mm	54.7mm
Wheel Flop	21mm	19.7mm	18.3mm	18.1mm	16.9mm
Tire to Pedal Spindle	83.1mm 170 mm cranks	95mm 170 mm cranks	106.9mm 170 mm cranks	123.8mm 170 mm cranks	134.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94mm 170 mm cranks	94mm 170 mm cranks	94mm 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.ridgeback.co.uk/bikes/touring/world/tour

Geometry