2020 Forme Bikes Flash Base

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

48cm
51cm
54cm
57cm
Stack
501.1mm
524.5mm
540.8mm
560.8mm
Reach
386.9mm
390.5mm
395.6mm
400.6mm
Stack to Reach Ratio
1.3:1
1.34:1
1.37:1
1.4:1
Seat Tube Length, C-T
465mm
490mm
520mm
550mm
Top Tube Length, Effective/Horizontal HT Top
520mm
530mm
550mm
570mm
Top Tube Slope
5.9deg
5.7deg
4.3deg
3.6deg
Head Tube Angle
72deg
72deg
72deg
72deg
Seat Tube Angle
75deg
75deg
74deg
73deg
Head Tube Length
120mm
145mm
160mm
175mm
Bottom Bracket Height
Chainstay Length
410mm
410mm
410mm
410mm
Wheelbase
980mm
992mm
998mm
1007mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
Trail
64mm
mid/​neutral
64mm
mid/​neutral
64mm
mid/​neutral
64mm
mid/​neutral
Mechanical Trail
60.8mm
60.8mm
60.8mm
60.8mm
Wheel Flop
18.8mm
18.8mm
18.8mm
18.8mm

Base Build

48cm
51cm
54cm
57cm
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
Tire Width
25mm
25mm
25mm
25mm
Tire Width Max
28mm
28mm
28mm
28mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
Bike Length with Tires
1652mm
1664mm
1670mm
1679mm

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
Source:https://formebikes.co.uk/flash-frameset-black.html