8bar Grunewald Steel V1 (2026)

gravel · steel · sizes X Small–X Large · tyres up to 50 mm Manufacturer’s website

Geometry ?

8bar Grunewald Steel V1 2026 geometry in sizes X Small–X Large: stack 560–638 mm, reach 360–416 mm, head angle 70.5–71°.

	X Small	Small	Medium	Large	X Large
Stack	560 mm	581 mm	600 mm	615 mm	638 mm
Reach	360 mm	373 mm	377 mm	396 mm	416 mm
Head angle	70.5°	71°	71°	71°	71°
Seat angle	74.5°	74°	73.5°	73.5°	73.5°
Seat tube (c-t)	450 mm	495 mm	525 mm	560 mm	570 mm
Head tube	120 mm	140 mm	160 mm	180 mm	190 mm
Top tube (effective)	515 mm	535 mm	555 mm	580 mm	605 mm
BB drop	75 mm	75 mm	75 mm	75 mm	75 mm
Chainstay	425 mm	425 mm	425 mm	425 mm	425 mm
Wheelbase	994 mm	1005 mm	1020 mm	1046 mm	1073 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 600 / reach 377 mm).

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