2020 GT Bicycles Grade Carbon Pro 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, C-T | 531mm |
| Top Tube Length, Effective/Horizontal HT Top | 574mm |
| Top Tube Slope | 8.5deg |
| Head Tube Angle | 72.3deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 162mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.8mm |
| Front-Center | 623mm |
| Front-Center Horizontal | 619.2mm |
| Wheelbase | 1043mm |
| 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 | 105mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 105mm |
Carbon Pro Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Bike Length with Tires | 1739mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.gtbicycles.com/int_en/grade-carbon-pro-2006