2023 GT Bicycles Grade Sport
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | Small | Medium | Large | XL | |
Stack | 535mm | 550mm | 577mm | 603mm | 630mm |
Reach | 365mm | 385mm | 405mm | 425mm | 445mm |
Stack to Reach Ratio | 1.47:1 | 1.43:1 | 1.42:1 | 1.42:1 | 1.42:1 |
Seat Tube Length, C-T | 400mm | 450mm | 500mm | 550mm | 600mm |
Top Tube Length, Effective/Horizontal Center | 529mm | 553mm | 581mm | 609mm | 638mm |
Top Tube Slope | 17.6deg | 13deg | 10.2deg | 7.5deg | 5.2deg |
Head Tube Angle | 69deg | 70deg | 70deg | 70deg | 70deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 94mm | 106mm | 134mm | 162mm | 191mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 273mm | 273mm | 273mm | 273mm | 273mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 433.6mm | 433.6mm | 433.6mm | 433.6mm | 433.6mm |
Front-Center | 605.1mm | 621mm | 650.8mm | 679.6mm | 709.4mm |
Front-Center Horizontal | 600.4mm | 616.4mm | 646.4mm | 675.4mm | 705.4mm |
Wheelbase | 1034mm | 1050mm | 1080mm | 1109mm | 1139mm |
Fork Offset/Rake | 55mm | 55mm | 55.2mm | 54.8mm | 54.9mm |
Trail | 74.7mm high | 68.1mm high | 67.9mm high | 68.4mm high | 68.2mm high |
Mechanical Trail | 69.8mm | 64mm | 63.8mm | 64.3mm | 64.1mm |
Wheel Flop | 25mm | 21.9mm | 21.8mm | 22mm | 21.9mm |
Standover Height | 692mm | 727mm | 765mm | 805mm | 837mm |
Tire to Pedal Spindle | 87.1mm 170 mm cranks | 103mm 170 mm cranks | 132.8mm 170 mm cranks | 161.6mm 170 mm cranks | 191.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
Sport Build
XS | Small | Medium | Large | 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 | 700C/29 in 622 mm BSD |
Tire Width | 37mm | 37mm | 37mm | 37mm | 37mm |
Tire Outer Diameter | 696mm | 696mm | 696mm | 696mm | 696mm |
Bike Length with Tires | 1730mm | 1746mm | 1776mm | 1805mm | 1835mm |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 6 in | 5 ft 4 in to 5 ft 9 in | 5 ft 7 in to 6 ft 0 in | 5 ft 10 in to 6 ft 3 in | 6 ft 0 in to 6 ft 5 in |
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 ScaleCategory Trend
All-road/GravelSource:https://www.jensonusa.com/GT-Grade-Sport-Bike