2020 Bombtrack Bicycle Company Tempest (Steel)

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
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

S
M
L
XL
Stack
516mm
545mm
568mm
601mm
Reach
384mm
394mm
405mm
414mm
Stack to Reach Ratio
1.34:1
1.38:1
1.4:1
1.45:1
Seat Tube Length, C-T
500mm
530mm
570mm
600mm
Top Tube Length, Effective/Horizontal HT Top
528mm
550mm
568mm
592mm
Top Tube Slope
3.8deg
3.8deg
2.1deg
2.5deg
Head Tube Angle
72.2deg
73deg
73.3deg
73.3deg
Seat Tube Angle
74.5deg
74deg
74deg
73.5deg
Head Tube Length
100mm
130mm
155mm
190mm
Bottom Bracket Drop
65mm
62mm
60mm
60mm
Bottom Bracket Height
271mm
274mm
276mm
276mm
Chainstay Length
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
404.8mm
405.3mm
405.6mm
405.6mm
Front-Center
580mm
592mm
608mm
626mm
Front-Center Horizontal
576.2mm
588.7mm
604.4mm
623.4mm
Wheelbase
981mm
994mm
1010mm
1029mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Fork Length (Axle-To-Crown)
375mm
375mm
375mm
375mm
Trail
60.6mm
mid/​neutral
55.7mm
mid/​neutral
53.8mm
mid/​neutral
53.8mm
mid/​neutral
Mechanical Trail
57.7mm
53.2mm
51.6mm
51.6mm
Wheel Flop
17.6mm
15.6mm
14.8mm
14.8mm
Standover Height
765mm
787mm
820mm
849mm
Tire to Pedal Spindle
74mm
170 mm cranks
83.5mm
172.5 mm cranks
97mm
175 mm cranks
115mm
175 mm cranks
Pedal Spindle to Ground Clearance
101mm
170 mm cranks
101.5mm
172.5 mm cranks
101mm
175 mm cranks
101mm
175 mm cranks

(Steel) Build

S
M
L
XL
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
1653mm
1666mm
1682mm
1701mm
Crank Length
170mm
172.5mm
175mm
175mm
Handlebar Width
420mm
420mm
440mm
440mm
Stem Length
90mm
100mm
110mm
110mm

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:http://bombtrack.com/2020-tempest/