2023 Airborne Bicycles Guardian Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 100mm fork travel
- Features
- Disc brake
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 | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Small | Small | Medium | Medium | Large | Large | |
Stack | 586mm | 586mm | 586mm | 586mm | 586mm | 586mm |
Reach | 399mm | 399mm | 414mm | 414mm | 429mm | 429mm |
Stack to Reach Ratio | 1.47:1 | 1.47:1 | 1.42:1 | 1.42:1 | 1.37:1 | 1.37:1 |
Seat Tube Length, C-T | 15.4mm | 391.2mm | 17.3mm | 439.4mm | 18.9mm | 480.1mm |
Top Tube Length, Effective/Horizontal Center | 22.7mm | 576.6mm | 23.3mm | 591.8mm | 24mm | 609.6mm |
Top Tube Slope | 54.8deg | 22.4deg | 53.7deg | 17deg | 52.6deg | 12.6deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 3.5mm | 88.9mm | 3.5mm | 88.9mm | 3.5mm | 88.9mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 316.9mm | 316.9mm | 316.9mm | 316.9mm | 316.9mm | 316.9mm |
Chainstay Length | 17.2mm | 437.9mm | 17.2mm | 437.9mm | 17.2mm | 437.9mm |
Chainstay Length Horizontal | — | 435mm | — | 435mm | — | 435mm |
Front-Center | 667.1mm | 666.7mm | 682mm | 684.4mm | 697mm | 694.5mm |
Front-Center Horizontal | 665.2mm | 664.8mm | 680.2mm | 682.6mm | 695.2mm | 692.7mm |
Wheelbase | 43.3mm | 1099.8mm | 44mm | 1117.6mm | 44.4mm | 1127.8mm |
Fork Offset/Rake | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm |
Fork Length (Axle-To-Crown) | 488mm | 488mm | 488mm | 488mm | 488mm | 488mm |
Trail | 98.6mm very high | 98.6mm very high | 98.6mm very high | 98.6mm very high | 98.6mm very high | 98.6mm very high |
Mechanical Trail | 91.4mm | 91.4mm | 91.4mm | 91.4mm | 91.4mm | 91.4mm |
Wheel Flop | 34.3mm | 34.3mm | 34.3mm | 34.3mm | 34.3mm | 34.3mm |
Tire to Pedal Spindle | 130.2mm 170 mm cranks | 129.8mm 170 mm cranks | 145.1mm 170 mm cranks | 147.5mm 170 mm cranks | 160.1mm 170 mm cranks | 157.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 146.9mm 170 mm cranks | 146.9mm 170 mm cranks | 146.9mm 170 mm cranks | 146.9mm 170 mm cranks | 146.9mm 170 mm cranks | 146.9mm 170 mm cranks |
Base Build
Small | Small | Medium | Medium | Large | Large | |
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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Outer Diameter | 733.8mm | 733.8mm | 733.8mm | 733.8mm | 733.8mm | 733.8mm |
Bike Length with Tires | 777.1mm | 1833.6mm | 777.8mm | 1851.4mm | 778.2mm | 1861.5mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 700mm | 700mm | 700mm | 700mm | 700mm | 700mm |
Stem Length | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm |
Stem Angle | 10deg | 10deg | 10deg | 10deg | 10deg | 10deg |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 7 in | 5 ft 0 in to 5 ft 7 in | 5 ft 7 in to 6 ft 0 in | 5 ft 7 in to 6 ft 0 in | 6 ft 0 in to 6 ft 3 in | 6 ft 0 in to 6 ft 3 in |
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://airbornebicycles.com/products/guardian?variant=39371427840058