Thompson
/
Grammont

2024 Thompson Grammont Base

Category
Performance Road
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
XS
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S
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M
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L
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XL
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XXL
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Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

XS
S
M
L
XL
XXL
Stack
500mm
509mm
531mm
548mm
568mm
600mm
Reach
372mm
376mm
387mm
398mm
404mm
409mm
Stack to Reach Ratio
1.34:1
1.35:1
1.37:1
1.38:1
1.41:1
1.47:1
Seat Tube Length, C-TTT
470mm
490mm
510mm
530mm
550mm
580mm
Top Tube Length, Actual C-C
525mm
531mm
549mm
565mm
577mm
593mm
Top Tube Slope
3.5deg
2.3deg
2.6deg
2.3deg
2.3deg
2.6deg
Head Tube Angle
72deg
72deg
72.5deg
73deg
73deg
73deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
100mm
110mm
130mm
146mm
167mm
200mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
68mm
68mm
Bottom Bracket Height
268mm
268mm
268mm
268mm
268mm
268mm
Chainstay Length
405mm
405mm
405mm
405mm
405mm
405mm
Chainstay Length Horizontal
399.3mm
399.3mm
399.3mm
399.3mm
399.3mm
399.3mm
Front-Center
562mm
569mm
580mm
591mm
603mm
617mm
Front-Center Horizontal
557.8mm
564.8mm
575.8mm
586.8mm
598.8mm
613.8mm
Wheelbase
957mm
964mm
975mm
986mm
998mm
1013mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
Trail
64mm
mid/​neutral
64mm
mid/​neutral
60.9mm
mid/​neutral
57.8mm
mid/​neutral
57.8mm
mid/​neutral
57.8mm
mid/​neutral
Mechanical Trail
60.8mm
60.8mm
58mm
55.2mm
55.2mm
55.2mm
Wheel Flop
18.8mm
18.8mm
17.5mm
16.2mm
16.2mm
16.2mm
Tire to Pedal Spindle
56mm
170 mm cranks
63mm
170 mm cranks
74mm
170 mm cranks
85mm
170 mm cranks
97mm
170 mm cranks
111mm
170 mm cranks
Pedal Spindle to Ground Clearance
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks

Base Build

XS
S
M
L
XL
XXL
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
700C/29 in
622 mm BSD
Tire Width
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1629mm
1636mm
1647mm
1658mm
1670mm
1685mm

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mmStack450mm500mm550mm600mm650mm700mmXSSMLXLXXL
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://thompson-bikebuilder.be/de/produkt/grammont/
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