2021 v3 BlackHeart Bike Company BlackHeart AL Frameset (650b wheels)

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

46
49
52
54
56
58
60
62
Stack
533mm
542mm
551mm
567mm
580mm
596mm
609mm
624mm
Reach
372mm
374mm
376mm
381mm
387mm
392mm
398mm
408mm
Stack to Reach Ratio
1.43:1
1.45:1
1.47:1
1.49:1
1.5:1
1.52:1
1.53:1
1.53:1
Seat Tube Length, C-T
460mm
490mm
520mm
540mm
560mm
580mm
600mm
620mm
Top Tube Length, Effective/Horizontal Center
530mm
540mm
550mm
560mm
570mm
580mm
590mm
605mm
Top Tube Slope
10.4deg
8.1deg
5.9deg
5.5deg
4.7deg
4.3deg
3.6deg
3.2deg
Head Tube Angle
71.5deg
71.5deg
71.5deg
72deg
72deg
72.5deg
72.5deg
72.5deg
Seat Tube Angle
73.5deg
73deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
Head Tube Length
100mm
110mm
120mm
135mm
150mm
165mm
180mm
195mm
Bottom Bracket Drop
73mm
73mm
72mm
72mm
71mm
71mm
70mm
70mm
Bottom Bracket Height
266mm
266mm
267mm
267mm
268mm
268mm
269mm
269mm
Chainstay Length
422mm
422mm
422mm
422mm
422mm
422mm
422mm
422mm
Chainstay Length Horizontal
415.6mm
415.6mm
415.8mm
415.8mm
416mm
416mm
416.2mm
416.2mm
Front-Center
580mm
586mm
591mm
596mm
606mm
611mm
621mm
636mm
Front-Center Horizontal
575.4mm
581.4mm
586.2mm
592.2mm
602mm
607mm
616.9mm
631.9mm
Wheelbase
991mm
997mm
1002mm
1008mm
1018mm
1023mm
1033mm
1048mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
47mm
47mm
47mm
47mm
Fork Length (Axle-To-Crown)
400mm
400mm
400mm
400mm
400mm
400mm
400mm
400mm
Trail
63.9mm
mid/​neutral
63.9mm
mid/​neutral
63.9mm
mid/​neutral
60.7mm
mid/​neutral
60.7mm
mid/​neutral
57.6mm
mid/​neutral
57.6mm
mid/​neutral
57.6mm
mid/​neutral
Mechanical Trail
60.6mm
60.6mm
60.6mm
57.8mm
57.8mm
54.9mm
54.9mm
54.9mm
Wheel Flop
19.2mm
19.2mm
19.2mm
17.9mm
17.9mm
16.5mm
16.5mm
16.5mm
Tire to Pedal Spindle
71mm
170 mm cranks
77mm
170 mm cranks
82mm
170 mm cranks
87mm
170 mm cranks
97mm
170 mm cranks
102mm
170 mm cranks
112mm
170 mm cranks
127mm
170 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
96mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

AL Frameset (650b wheels) Build

46
49
52
54
56
58
60
62
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
47mm
47mm
47mm
47mm
47mm
47mm
47mm
47mm
Tire Width Max
48mm
48mm
48mm
48mm
48mm
48mm
48mm
48mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1669mm
1675mm
1680mm
1686mm
1696mm
1701mm
1711mm
1726mm

Published Sizing Recommendations

Height
160 cm
to
168 cm
168 cm
to
173 cm
173 cm
to
178 cm
178 cm
to
183 cm
183 cm
to
188 cm
188 cm
to
193 cm
193 cm
to

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
Source:https://blackheartbikeco.com/pages/geometry