Version

Build

Insights

Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

Stack
534mm
564mm
581mm
593mm
603mm
622mm
636mm
Reach
368mm
372mm
382mm
394mm
406mm
409mm
412mm
Stack to Reach Ratio
1.45:1
1.52:1
1.52:1
1.51:1
1.49:1
1.52:1
1.54:1
Seat Tube Length, C-T
520mm
540mm
560mm
580mm
600mm
620mm
640mm
Top Tube Length, Effective/Horizontal Center
525mm
540mm
560mm
575mm
590mm
605mm
612mm
Top Tube Slope
3.8deg
5deg
4.8deg
3.9deg
2.9deg
3deg
2.4deg
Head Tube Angle
72deg
72.5deg
73deg
73deg
73deg
73deg
73deg
Seat Tube Angle
74deg
73.5deg
73deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
120mm
140mm
155mm
170mm
180mm
200mm
215mm
Bottom Bracket Drop
75mm
75mm
75mm
73mm
73mm
73mm
73mm
Bottom Bracket Height
268mm
268mm
268mm
270mm
270mm
270mm
270mm
Chainstay Length
425mm
425mm
425mm
428mm
428mm
428mm
428mm
Chainstay Length Horizontal
418.3mm
418.3mm
418.3mm
421.7mm
421.7mm
421.7mm
421.7mm
Front-Center
577mm
584mm
592mm
607mm
622mm
632mm
640mm
Front-Center Horizontal
572.7mm
578.7mm
591.7mm
608.3mm
618.3mm
628.3mm
638.3mm
Wheelbase
991mm
997mm
1010mm
1030mm
1040mm
1050mm
1060mm
Fork Offset/Rake
50mm
50mm
48mm
48mm
48mm
48mm
48mm
Fork Length (On-Axis)
375mm
375mm
375mm
375mm
375mm
375mm
375mm
Trail
58.9mm
mid/​neutral
55.7mm
mid/​neutral
54.7mm
mid/​neutral
54.7mm
mid/​neutral
54.7mm
mid/​neutral
54.7mm
mid/​neutral
54.7mm
mid/​neutral
Mechanical Trail
56mm
53.1mm
52.3mm
52.3mm
52.3mm
52.3mm
52.3mm
Wheel Flop
17.3mm
16mm
15.3mm
15.3mm
15.3mm
15.3mm
15.3mm
Standover Height
764mm
784mm
801mm
819mm
833mm
852mm
869mm
Tire to Pedal Spindle
64mm
170 mm cranks
71mm
170 mm cranks
79mm
170 mm cranks
94mm
170 mm cranks
109mm
170 mm cranks
119mm
170 mm cranks
127mm
170 mm cranks
Pedal Spindle to Ground Clearance
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks

Base Build

Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
32mm
32mm
Tire Width Max
33mm
33mm
33mm
33mm
33mm
33mm
33mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1677mm
1683mm
1696mm
1716mm
1726mm
1736mm
1746mm

Published Sizing Recommendations

Height
5 ft 3 in
to
5 ft 6 in
5 ft 5 in
to
5 ft 9 in
5 ft 8 in
to
5 ft 11 in
5 ft 10 in
to
6 ft 1 in
6 ft 0 in
to
6 ft 3 in
6 ft 1 in
to
6 ft 4 in
6 ft 3 in
to

Base Build

Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim

Stack and Reach vs. Category Trend

Source:https://blackmtncycles.com/tech-info/frame-geometry/

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