2021 GT Bicycles Grade Carbon (70mm Offset) 48
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive 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 | 546mm |
| Reach | 378mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 457mm |
| Top Tube Length, Effective/Horizontal HT Top | 545mm |
| Top Tube Slope | 12deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 119mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 608mm |
| Front-Center Horizontal | 603.6mm |
| Wheelbase | 1027mm |
| Fork Offset/Rake | 70mm |
| Trail | 50mm mid/neutral |
| Mechanical Trail | 47.2mm |
| Wheel Flop | 15.7mm |
| Standover Height | 731mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Carbon (70mm Offset) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1729mm |
| 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/gbr_en/grade-carbon-elite-3080