2020 Trek Bikes Speed Concept Base

Category
Triathlon
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Rim brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

S
M
L
XL
Stack
492mm
517mm
541mm
565mm
Reach
390mm
408mm
426mm
445mm
Stack to Reach Ratio
1.26:1
1.27:1
1.27:1
1.27:1
Seat Tube Length, C-T
503mm
529mm
553mm
578mm
Top Tube Length, Effective/Horizontal HT Top
495mm
518mm
541mm
565mm
Top Tube Slope
0deg
0deg
0deg
0deg
Head Tube Angle
72.2deg
72.5deg
72.5deg
72.5deg
Seat Tube Angle
78deg
78deg
78deg
78deg
Head Tube Length
65mm
90mm
115mm
140mm
Bottom Bracket Drop
80mm
80mm
80mm
80mm
Bottom Bracket Height
256mm
256mm
256mm
256mm
Chainstay Length
400mm
400mm
400mm
400mm
Chainstay Length Horizontal
391.9mm
391.9mm
391.9mm
391.9mm
Front-Center
574.7mm
598.5mm
623.2mm
650mm
Front-Center Horizontal
569.1mm
593.1mm
618.1mm
645.1mm
Wheelbase
961mm
985mm
1010mm
1037mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Trail
60.6mm
mid/​neutral
58.8mm
mid/​neutral
58.8mm
mid/​neutral
58.8mm
mid/​neutral
Mechanical Trail
57.7mm
56mm
56mm
56mm
Wheel Flop
17.6mm
16.9mm
16.9mm
16.9mm
Standover Height
750mm
775mm
799mm
823mm
Tire to Pedal Spindle
73.7mm
165 mm cranks
92.5mm
170 mm cranks
114.7mm
172.5 mm cranks
139mm
175 mm cranks
Pedal Spindle to Ground Clearance
91mm
165 mm cranks
86mm
170 mm cranks
83.5mm
172.5 mm cranks
81mm
175 mm cranks

Base 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 Outer Diameter
672mm
672mm
672mm
672mm
Bike Length with Tires
1633mm
1657mm
1682mm
1709mm
Crank Length
165mm
170mm
172.5mm
175mm
Stem Length
67mm
110mm
110mm
110mm

Published Sizing Recommendations

Height
154 cm
to
170 cm
164 cm
to
177 cm
184 cm
to
187 cm
185 cm
to
198 cm
PBH
72 cm
to
80 cm
77 cm
to
83 cm
82 cm
to
88 cm
87 cm
to
93 cm

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
Triathlon
Source:https://www.trekbikes.com/us/en_US/bikes/road-bikes/triathlon-bikes/speed-concept/speed-concept/p/22054/?colorCode=black