2023 LOOK Cycle 765 Optimum Disc

	XS	S	M	L	XL
Stack	534mm	558mm	582mm	606mm	630mm
Reach	359mm	369mm	379mm	389mm	399mm
Stack to Reach Ratio	1.49:1	1.51:1	1.54:1	1.56:1	1.58:1
Seat Tube Length, C-T	470mm	490mm	510mm	535mm	560mm
Top Tube Length, Effective/Horizontal HT Top	511.8mm	528.7mm	545.5mm	562.4mm	579.3mm
Top Tube Slope	9.6deg	9.8deg	10deg	9.7deg	9.4deg
Head Tube Angle	70.8deg	70.8deg	70.8deg	70.8deg	70.8deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg
Head Tube Length	117mm	142mm	170mm	196mm	224mm
Bottom Bracket Drop	76mm	76mm	73.5mm	73.5mm	71mm
Bottom Bracket Height	265mm	265mm	267.5mm	267.5mm	270mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	408mm	408mm	408.4mm	408.4mm	408.9mm
Front-Center	576mm	594mm	613mm	630mm	650mm
Front-Center Horizontal	571mm	589.1mm	608.6mm	625.7mm	646.1mm
Wheelbase	979mm	997.1mm	1017mm	1034.1mm	1055mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	385.5mm	385.5mm	385.5mm	385.5mm	385.5mm
Trail	65.8mm high	65.8mm high	65.8mm high	65.8mm high	65.8mm high
Mechanical Trail	62.1mm	62.1mm	62.1mm	62.1mm	62.1mm
Wheel Flop	20.4mm	20.4mm	20.4mm	20.4mm	20.4mm
Standover Height	742mm	766mm	790mm	814mm	838mm
Tire to Pedal Spindle	65mm 170 mm cranks	83mm 170 mm cranks	102mm 170 mm cranks	119mm 170 mm cranks	139mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm 170 mm cranks	97.5mm 170 mm cranks	97.5mm 170 mm cranks	100mm 170 mm cranks

Published Sizing Recommendations

Height

—

164 cm

173 cm

171 cm

180 cm

178 cm

187 cm

185 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.lookcycle.com/nl-en/products/bikes/road-bikes/endurance/765-optimum-charcoal-metallic-satin