2021 GT Bicycles Aggressor Expert 29"
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Fork
- Aluminum
- Suspension
- 80mm fork travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 610mm | 619mm | 628mm | 638mm |
Reach | 399mm | 420mm | 440mm | 459mm |
Stack to Reach Ratio | 1.53:1 | 1.47:1 | 1.43:1 | 1.39:1 |
Seat Tube Length, C-T | 420mm | 460mm | 500mm | 540mm |
Top Tube Length, Actual C-C | 562mm | 580mm | 601mm | 624mm |
Top Tube Slope | 21.8deg | 17.9deg | 14.3deg | 11.1deg |
Head Tube Angle | 68.5deg | 68.5deg | 68.5deg | 68.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 120mm | 130mm | 140mm | 150mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 308.2mm | 308.2mm | 308.2mm | 308.2mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 440.9mm | 440.9mm | 440.9mm | 440.9mm |
Front-Center | 679mm | 703mm | 726mm | 749mm |
Front-Center Horizontal | 676.1mm | 700.1mm | 724.1mm | 747.1mm |
Wheelbase | 1117mm | 1141mm | 1165mm | 1188mm |
Fork Offset/Rake | 56.2mm | 55.7mm | 56.1mm | 56.2mm |
Trail | 84.6mm very high | 85.2mm very high | 84.7mm very high | 84.6mm very high |
Mechanical Trail | 78.7mm | 79.2mm | 78.8mm | 78.8mm |
Wheel Flop | 28.9mm | 29mm | 28.9mm | 28.9mm |
Standover Height | 742mm | 767mm | 792mm | 817mm |
Tire to Pedal Spindle | 140.9mm 170 mm cranks | 164.9mm 170 mm cranks | 187.9mm 170 mm cranks | 210.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks |
Expert 29" Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1853.3mm | 1877.3mm | 1901.3mm | 1924.3mm |
Handlebar Width | 720mm | 720mm | 720mm | 720mm |
Stem Angle | 8deg | 8deg | 8deg | 8deg |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTBSource:https://www.gtbicycles.com/can_en/aggressor-expert-3101