2020 GT Bicycles Grade Al Expert 2020 58
Build
700C/29 in × 37 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of GT Bicycles Grade
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 612mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-C | 568mm |
| Top Tube Length, Actual C-C | 587mm |
| Head Tube Angle | 72.3deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 187mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 439.5mm |
| Front-Center | 634mm |
| Front-Center Horizontal | 630.5mm |
| Wheelbase | 1070mm |
| Fork Offset/Rake | 55mm |
| Trail | 53.3mm mid/neutral |
| Mechanical Trail | 50.8mm |
| Wheel Flop | 15.5mm |
| Standover Height | 824mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 116mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Al Expert 2020 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Bike Length with Tires | 1766mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.cyclery.de/Media/Default/Uploaded/G20_geos_grade.JPG