2023 Ribble Cycles Ultra Tri Disc

	XS	S	M	L	XL
Stack	479mm	480mm	506mm	532mm	558mm
Reach	372mm	399mm	415mm	431mm	447mm
Stack to Reach Ratio	1.29:1	1.2:1	1.22:1	1.23:1	1.25:1
Seat Tube Length, C-T	500mm	500mm	525mm	555mm	580mm
Top Tube Length, Effective/Horizontal Center	492mm	520mm	540mm	565mm	585mm
Top Tube Length, Actual C-C	492mm	520mm	540mm	565mm	585mm
Top Tube Slope	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	72.5deg	72.8deg	72.8deg	72.8deg	73.8deg
Seat Tube Angle	77.5deg	77.5deg	77.5deg	77.5deg	77.5deg
Head Tube Length	80mm	80mm	107mm	134mm	161.4mm
Bottom Bracket Drop	62.8mm	62.8mm	62.8mm	62.8mm	62.8mm
Bottom Bracket Height	273.2mm	273.2mm	273.2mm	273.2mm	273.2mm
Chainstay Length	387mm	387mm	387mm	387mm	387mm
Chainstay Length Horizontal	381.9mm	381.9mm	381.9mm	381.9mm	381.9mm
Front-Center	550.7mm	575.6mm	599.4mm	623.3mm	648.2mm
Front-Center Horizontal	547.1mm	572.1mm	596.1mm	620.1mm	645.1mm
Wheelbase	929mm	954mm	978mm	1002mm	1027mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Trail	58.8mm mid/neutral	56.9mm mid/neutral	56.9mm mid/neutral	56.9mm mid/neutral	50.8mm mid/neutral
Mechanical Trail	56mm	54.4mm	54.4mm	54.4mm	48.7mm
Wheel Flop	16.9mm	16.1mm	16.1mm	16.1mm	13.6mm
Tire to Pedal Spindle	49.7mm 165 mm cranks	74.6mm 165 mm cranks	98.4mm 165 mm cranks	122.3mm 165 mm cranks	147.2mm 165 mm cranks
Pedal Spindle to Ground Clearance	108.2mm 165 mm cranks	108.2mm 165 mm cranks	108.2mm 165 mm cranks	108.2mm 165 mm cranks	108.2mm 165 mm cranks

Published Sizing Recommendations

Height

155 cm

163 cm

170 cm

178 cm

185 cm

193 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.ribblecycles.co.uk/ribble-ultra-tri-disc-sport/