2023 GT Bicycles Grade Al Expert 2023 55

Build

700C/29 in × 37 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of GT Bicycles Grade

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
590mm
Reach
394mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, Unknown
531mm
Top Tube Length, Effective/Horizontal Unknown
574mm
Top Tube Slope
8.3deg
Head Tube Angle
72.3deg
Seat Tube Angle
74.5deg
Head Tube Length
160mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
275mm
Chainstay Length
445mm
Chainstay Length Horizontal
439mm
Front-Center
621mm
Front-Center Horizontal
616mm
Wheelbase
1055mm
Fork Offset/Rake
55mm
Trail
53.3mm
mid/​neutral
Mechanical Trail
50.8mm
Wheel Flop
15.5mm
Standover Height
791mm
Tire to Pedal Spindle Distance
With 170 mm cranks
103mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105mm

Al Expert 2023 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
37mm
Tire Outer Diameter
696mm
Bike Length with Tires
1751mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.gtbicycles.com/media/catalog/product/g/2/g21_geo_grade.jpg