Geometry ?
LOOK 765 Optimum 2024 geometry in sizes XS–XL: stack 534–630 mm, reach 358–399 mm, head angle 70.8°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 534 mm | 558 mm | 582 mm | 606 mm | 630 mm |
| Reach | 358 mm | 368 mm | 379 mm | 389 mm | 399 mm |
| Head angle | 70.8° | 70.8° | 70.8° | 70.8° | 70.8° |
| Seat angle | 74° | 74° | 74° | 74° | 74° |
| Seat tube (c-t) | 470 mm | 490 mm | 510 mm | 535 mm | 560 mm |
| Head tube | 117 mm | 142 mm | 170 mm | 195.3 mm | 223.4 mm |
| Top tube (effective) | 511.8 mm | 528.7 mm | 545.5 mm | 562.4 mm | 579.3 mm |
| Chainstay | 415 mm | 415 mm | 415 mm | 415 mm | 415 mm |
| Standover | 742 mm | 766 mm | 790 mm | 814 mm | 838 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
Source: lookcycle.com, checked 1 Nov 2026 · bar position: worked out from published data
An older model year in the archive with the same stack, reach and head angle: 2025. Source: revolutionbikeshop.com
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 534 / reach 358 mm).
Stack and reach within 12 mm of size S (stack 558 / reach 368 mm).
Stack and reach within 12 mm of size M (stack 582 / reach 379 mm).
Stack and reach within 12 mm of size L (stack 606 / reach 389 mm).
Stack and reach within 12 mm of size XL (stack 630 / reach 399 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 7 values for this model’s stem and bars. Add them