2020 GT Bicycles Grade Carbon Pro (70mm offset) 51
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 | 568mm |
| Reach | 385mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 494mm |
| Top Tube Length, Effective/Horizontal HT Top | 559mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.8mm |
| Front-Center | 638.7mm |
| Front-Center Horizontal | 634.6mm |
| Wheelbase | 1058.3mm |
| Fork Offset/Rake | 70mm |
| Trail | 49mm mid/neutral |
| Mechanical Trail | 46.2mm |
| Wheel Flop | 15.4mm |
| Standover Height | 760mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 105mm |
Carbon Pro (70mm offset) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Bike Length with Tires | 1754.3mm |
| 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