2018 Soma Fabrications Buena Vista Disc

Category
Commuter
Design
Swept Back Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake, Step-through
Very upright stack and reachvs category
Very upright stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

42
50
54
58
62
Stack
561mm
577mm
593mm
627mm
662mm
Reach
364mm
371mm
386mm
390mm
402mm
Stack to Reach Ratio
1.54:1
1.56:1
1.54:1
1.61:1
1.65:1
Seat Tube Length, C-T
420mm
500mm
540mm
580mm
595mm
Top Tube Length, Effective/Horizontal Center
518mm
530mm
555mm
582mm
605mm
Top Tube Slope
18.2deg
10.7deg
7.9deg
7.4deg
9.2deg
Head Tube Angle
71deg
71.5deg
72deg
72deg
72.5deg
Seat Tube Angle
74.5deg
74.5deg
74deg
73deg
73deg
Head Tube Length
130mm
145mm
160mm
195mm
230mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
283mm
283mm
283mm
283mm
283mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
Front-Center
585mm
591mm
606mm
622mm
640mm
Front-Center Horizontal
578.7mm
586.7mm
601.7mm
617.7mm
635.7mm
Wheelbase
1003mm
1011mm
1026mm
1042mm
1060mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
Trail
74mm
high
70.7mm
high
67.4mm
high
67.4mm
high
64.1mm
mid/​neutral
Mechanical Trail
69.9mm
67mm
64.1mm
64.1mm
61.2mm
Wheel Flop
22.8mm
21.3mm
19.8mm
19.8mm
18.4mm
Standover Height
635mm
660.4mm
680.7mm
703.6mm
721.4mm
Tire to Pedal Spindle
62mm
170 mm cranks
68mm
170 mm cranks
83mm
170 mm cranks
99mm
170 mm cranks
117mm
170 mm cranks
Pedal Spindle to Ground Clearance
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks

Disc Build

42
50
54
58
62
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
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
706mm
706mm
706mm
706mm
706mm
Bike Length with Tires
1709mm
1717mm
1732mm
1748mm
1766mm

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
Commuter
Source:http://www.somafab.com/archives/product/buena-vista-disc-frame-set