2020 LOOK Cycle 765 Optimum Disc
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 530mm | 554mm | 578mm | 602mm | 626mm |
Reach | 355mm | 365mm | 375mm | 385mm | 395mm |
Stack to Reach Ratio | 1.49:1 | 1.52:1 | 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 | 507mm | 523.9mm | 551.7mm | 569.1mm | 586.4mm |
Top Tube Slope | 9.2deg | 9.4deg | 9.8deg | 9.5deg | 9.2deg |
Head Tube Angle | 70.8deg | 70.8deg | 72deg | 72deg | — |
Seat Tube Angle | 74deg | 74deg | 73deg | 73deg | 73deg |
Head Tube Length | 138.6mm | 164mm | 182.2mm | 206.3mm | 232.7mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 415mm | 415mm | 415mm | 415mm | 415mm |
Chainstay Length Horizontal | 409.4mm | 409.4mm | 409.4mm | 409.4mm | 409.4mm |
Front-Center | 572.9mm | 591.1mm | 589.9mm | 607.1mm | 625.2mm |
Front-Center Horizontal | 568.9mm | 587.2mm | 586mm | 603.3mm | 621.5mm |
Wheelbase | 978.2mm | 996.6mm | 995.4mm | 1012.7mm | 1030.9mm |
Fork Offset/Rake | 50mm | 50mm | 43mm | 43mm | 43mm |
Fork Length (Axle-To-Crown) | 368mm | 368mm | 368mm | 368mm | 368mm |
Trail | 65.1mm high | 65.1mm high | 64.9mm mid/neutral | 64.9mm mid/neutral | — — |
Mechanical Trail | 61.5mm | 61.5mm | 61.8mm | 61.8mm | — |
Wheel Flop | 20.2mm | 20.2mm | 19.1mm | 19.1mm | — |
Standover Height | 715mm | 736mm | 759mm | 785mm | 809mm |
Tire to Pedal Spindle | 63.9mm 170 mm cranks | 82.1mm 170 mm cranks | 80.9mm 170 mm cranks | 98.1mm 170 mm cranks | 116.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks |
Disc Build
XS | S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1656.2mm | 1674.6mm | 1673.4mm | 1690.7mm | 1708.9mm |
Stem Length | 90mm | 100mm | 110mm | 110mm | 120mm |
Published Sizing Recommendations
Height | — | 164 cm to 173 cm | 171 cm to 180 cm | 178 cm to 187 cm | 185 cm to |
Stack and Reach vs. Category Trend
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.
Learn more about the Upright/Aggressive ScaleCategory Trend
Endurance RoadSource:https://www.lookcycle.com/ca-en/products/bikes/road-bikes/endurance/765-optimum-disc-black-glossy-mat