2026 8bar GRUNEWALD Steel V1 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

X Small
Small
Medium
Large
X Large
Stack
560mm
581mm
600mm
615mm
638mm
Reach
360mm
373mm
377mm
396mm
416mm
Stack to Reach Ratio
1.56:1
1.56:1
1.59:1
1.55:1
1.53:1
Seat Tube Length, C-T
450mm
495mm
525mm
560mm
570mm
Top Tube Length, Effective/Horizontal HT Top
515mm
535mm
555mm
580mm
605mm
Top Tube Slope
14.7deg
11.7deg
10.4deg
8deg
9deg
Head Tube Angle
70.5deg
71deg
71deg
71deg
71deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73.5deg
73.5deg
Head Tube Length
120mm
140mm
160mm
180mm
190mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
286mm
286mm
286mm
286mm
286mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
418.3mm
418.3mm
418.3mm
418.3mm
418.3mm
Front-Center
580.5mm
591.4mm
606.3mm
632.1mm
659mm
Front-Center Horizontal
575.7mm
586.7mm
601.7mm
627.7mm
654.7mm
Wheelbase
994mm
1005mm
1020mm
1046mm
1073mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length, Unknown
400mm
400mm
400mm
400mm
400mm
Trail
74.8mm
high
71.4mm
high
71.4mm
high
71.4mm
high
71.4mm
high
Mechanical Trail
70.5mm
67.5mm
67.5mm
67.5mm
67.5mm
Wheel Flop
23.5mm
22mm
22mm
22mm
22mm
Standover Height
730mm
755mm
780mm
790mm
810mm
Tire to Pedal Spindle
49.5mm
170 mm cranks
60.4mm
170 mm cranks
75.3mm
170 mm cranks
101.1mm
170 mm cranks
128mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks

Base Build

X Small
Small
Medium
Large
X Large
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
50mm
50mm
50mm
50mm
50mm
Tire Width Max
50mm
50mm
50mm
50mm
50mm
Tire Outer Diameter
722mm
722mm
722mm
722mm
722mm
Bike Length with Tires
1716mm
1727mm
1742mm
1768mm
1795mm

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 Scale
Category Trend
All-road/Gravel