8bar Grunewald Aluminum V1 (2026)

gravel · aluminium · sizes X-Small–X-Large Manufacturer’s website

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 Medium (stack 580 / reach 388 mm).

Spotted a mistake or a missing build? Let me know.