Geometry ?
8bar Grunewald Aluminum V1 2026 geometry in sizes X-Small–X-Large: stack 540–620 mm, reach 370–427 mm, head angle 71–72°.
| X-Small | Small | Medium | Large | X-Large | |
|---|---|---|---|---|---|
| Stack | 540 mm | 561 mm | 580 mm | 601 mm | 620 mm |
| Reach | 370 mm | 379 mm | 388 mm | 407 mm | 427 mm |
| Head angle | 71° | 71.5° | 71.5° | 72° | 72° |
| Seat angle | 75° | 74.5° | 74° | 74° | 74° |
| Seat tube (c-t) | 450 mm | 480 mm | 510 mm | 540 mm | 570 mm |
| Top tube (effective) | 515 mm | 535 mm | 555 mm | 580 mm | 605 mm |
| BB drop | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1003 mm | 1014 mm | 1030 mm | 1050 mm | 1076 mm |
| Standover | 730 mm | 755 mm | 780 mm | 790 mm | 810 mm |
Source: 8bar-bikes.com, checked 12 Nov 2026 · bar position: worked out from published data
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size X-Small (stack 540 / reach 370 mm).
Stack and reach within 12 mm of size Small (stack 561 / reach 379 mm).
Stack and reach within 12 mm of size Medium (stack 580 / reach 388 mm).
Stack and reach within 12 mm of size Large (stack 601 / reach 407 mm).
Stack and reach within 12 mm of size X-Large (stack 620 / reach 427 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