2018 Brother Cycles Swift Frameset

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Rim brake, Single-speed capable
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

52cm
54cm
56cm
58cm
60cm
Stack
507.6mm
536mm
555mm
564.4mm
582.3mm
Reach
393.4mm
396mm
401mm
408.5mm
413.3mm
Stack to Reach Ratio
1.29:1
1.35:1
1.38:1
1.38:1
1.41:1
Seat Tube Length, C-TTT
505mm
525mm
545mm
565mm
585mm
Top Tube Length, Effective/Horizontal Center
530mm
545mm
555mm
565mm
580mm
Top Tube Length, Actual C-C
530mm
545mm
555mm
565mm
580mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
74deg
74deg
74.5deg
74.5deg
74.5deg
Seat Tube Angle
75deg
74.5deg
74.5deg
74.5deg
74deg
Head Tube Length
89.4mm
119mm
137.1mm
146.9mm
165.5mm
Bottom Bracket Drop
58mm
58mm
58mm
58mm
58mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
Chainstay Length
387mm
388mm
388mm
388mm
390mm
Chainstay Length Horizontal
382.6mm
383.6mm
383.6mm
383.6mm
385.7mm
Front-Center
562.4mm
572.3mm
578.3mm
588.2mm
598.2mm
Front-Center Horizontal
559.4mm
569.4mm
575.4mm
585.4mm
595.3mm
Wheelbase
942mm
953mm
959mm
969mm
981mm
Fork Offset/Rake
35mm
35mm
35mm
35mm
35mm
Fork Length (Axle-To-Crown)
370mm
370mm
370mm
370mm
370mm
Trail
60.8mm
mid/​neutral
60.8mm
mid/​neutral
57.7mm
mid/​neutral
57.7mm
mid/​neutral
57.7mm
mid/​neutral
Mechanical Trail
58.4mm
58.4mm
55.6mm
55.6mm
55.6mm
Wheel Flop
16.1mm
16.1mm
14.9mm
14.9mm
14.9mm
Tire to Pedal Spindle
53.4mm
170 mm cranks
63.3mm
170 mm cranks
69.3mm
170 mm cranks
79.2mm
170 mm cranks
89.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Frameset Build

52cm
54cm
56cm
58cm
60cm
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
28mm
28mm
28mm
28mm
28mm
Tire Width Max
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1620mm
1631mm
1637mm
1647mm
1659mm

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
Track/Fixed-gear
Source:https://www.brothercycles.com/shop/frames/swift/