2020 GT Bicycles Aggressor Expert 27.5" Extra Small
Build
650B/27.5 in × 2.25 in
Insights
Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 610mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 580mm |
| Top Tube Slope | 21.8deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 289.2mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 440.9mm |
| Front-Center | 678.7mm |
| Front-Center Horizontal | 676.1mm |
| Wheelbase | 1117mm |
| Fork Offset/Rake | 56.2mm |
| Trail | 77.1mm high |
| Mechanical Trail | 71.8mm |
| Wheel Flop | 26.3mm |
| Standover Height | 742mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 159.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 119.2mm |
Expert 27.5" Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1815.3mm |
| Handlebar Width | 720mm |
| Stem Length | 90mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 80mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.jensonusa.com/gt-aggressor-expert-bike-2020?utm_source=chatgpt.com