2021 GT Bicycles Grade Al Expert 2021 51
Build
700C/29 in × 37 mm
Insights
Design deviates from other sizes of GT Bicycles Grade
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 56.8mm |
| Reach | 38.5mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 49.4mm |
| Top Tube Length, Effective/Horizontal Unknown | 55.9mm |
| Top Tube Slope | 10.1deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 14.5mm |
| Bottom Bracket Drop | 7.3mm |
| Bottom Bracket Height | 340.7mm |
| Chainstay Length | 44.5mm |
| Chainstay Length Horizontal | 43.9mm |
| Front-Center | 62.3mm |
| Front-Center Horizontal | 61.8mm |
| Wheelbase | 105.7mm |
| Fork Offset/Rake | 5.5mm |
| Trail | 117.4mm very high |
| Mechanical Trail | 110.7mm |
| Wheel Flop | 36.9mm |
| Standover Height | 76mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | -455.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 170.7mm |
Al Expert 2021 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Bike Length with Tires | 801.7mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.gtbicycles.sk/bicykle/2021-gravel-bike/grade-expert