2025 BH Ultralight 6.0

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake

Geometry

XXS
XS
SM
MD
LA
XL
Stack
—
513mm
526mm
542mm
557mm
581mm
Reach
—
367mm
374mm
381mm
389mm
397mm
Stack to Reach Ratio
—
1.4:1
1.41:1
1.42:1
1.43:1
1.46:1
Seat Tube Length, Unknown
—
463mm
483mm
502mm
517mm
538mm
Top Tube Length, Effective/Horizontal Unknown
—
510mm
525mm
541mm
559mm
575mm
Top Tube Slope
—
7deg
7deg
7deg
7deg
7deg
Head Tube Angle
—
71.2deg
72.3deg
72.75deg
73deg
73deg
Seat Tube Angle
—
74.5deg
74deg
73.5deg
73deg
73deg
Head Tube Length
—
100mm
110mm
126mm
140mm
165mm
Bottom Bracket Drop
—
72.2mm
72mm
70mm
70mm
70mm
Bottom Bracket Height
—
266.8mm
267mm
269mm
269mm
269mm
Chainstay Length
—
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
—
403.6mm
403.6mm
404mm
404mm
404mm
Front-Center
—
574mm
576mm
579mm
588mm
604mm
Front-Center Horizontal
—
570.3mm
571.4mm
575mm
584mm
600.7mm
Wheelbase
—
973.9mm
975mm
979mm
988mm
1004.7mm
Fork Offset/Rake
—
50.4mm
50mm
45.3mm
44.1mm
45.4mm
Fork Length, Unknown
—
383mm
383mm
383mm
383mm
383mm
Trail
—
—
62.2mm
mid/​neutral
55.7mm
mid/​neutral
57.8mm
mid/​neutral
57.5mm
mid/​neutral
56.2mm
mid/​neutral
Mechanical Trail
—
58.8mm
53.1mm
55.2mm
55mm
53.7mm
Wheel Flop
—
19mm
16.1mm
16.4mm
16.1mm
15.7mm
Tire to Pedal Spindle
—
170 mm cranks
65mm
170 mm cranks
67mm
170 mm cranks
70mm
170 mm cranks
79mm
170 mm cranks
95mm
170 mm cranks
Pedal Spindle to Ground Clearance
—
170 mm cranks
96.8mm
170 mm cranks
97mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

6.0 Build

XXS
XS
SM
MD
LA
XL
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
700C/29 in
622 mm BSD
Tire Width
28mm
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
—
1651.9mm
1653mm
1657mm
1666mm
1682.7mm

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
Performance Road