2019 Noble Bikes GX1 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
48cm | 50cm | 52cm | 54cm | 56cm | 58cm | |
Stack | 536mm | 542mm | 560mm | 576mm | 591mm | 612mm |
Reach | 367mm | 370mm | 374mm | 379mm | 389mm | 392mm |
Stack to Reach Ratio | 1.46:1 | 1.46:1 | 1.5:1 | 1.52:1 | 1.52:1 | 1.56:1 |
Seat Tube Length, C-T | 450mm | 470mm | 490mm | 510mm | 530mm | 550mm |
Top Tube Length, Effective/Horizontal HT Top | 510mm | 520mm | 535mm | 555mm | 570mm | 585mm |
Top Tube Slope | 11.8deg | 10.2deg | 9.9deg | 9.5deg | 8.8deg | 8.9deg |
Head Tube Angle | 70deg | 70.5deg | 71.5deg | 71.5deg | 71.5deg | 71.5deg |
Seat Tube Angle | 75deg | 74.5deg | 74deg | 73deg | 73deg | 72.5deg |
Head Tube Length | 100mm | 110mm | 125mm | 145mm | 160mm | 185mm |
Bottom Bracket Drop | 82.5mm | 77.5mm | 77.5mm | 75mm | 75mm | 72.5mm |
Bottom Bracket Height | 268.5mm | 273.5mm | 273.5mm | 276mm | 276mm | 278.5mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 432.2mm | 433.1mm | 433.1mm | 433.6mm | 433.6mm | 434mm |
Front-Center | 593.2mm | 594.7mm | 595.3mm | 606.1mm | 621mm | 631.5mm |
Front-Center Horizontal | 587.4mm | 589.7mm | 590.3mm | 601.5mm | 616.5mm | 627.4mm |
Wheelbase | 1019.6mm | 1022.8mm | 1023.4mm | 1035mm | 1050.1mm | 1061.3mm |
Fork Offset/Rake | 52mm | 52mm | 52mm | 52mm | 52mm | 52mm |
Fork Length (Axle-To-Crown) | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm |
Trail | 72.4mm high | 69.1mm high | 62.6mm mid/neutral | 62.6mm mid/neutral | 62.6mm mid/neutral | 62.6mm mid/neutral |
Mechanical Trail | 68.1mm | 65.2mm | 59.4mm | 59.4mm | 59.4mm | 59.4mm |
Wheel Flop | 23.3mm | 21.8mm | 18.8mm | 18.8mm | 18.8mm | 18.8mm |
Tire to Pedal Spindle | 72.2mm 170 mm cranks | 73.7mm 170 mm cranks | 74.3mm 170 mm cranks | 85.1mm 170 mm cranks | 100mm 170 mm cranks | 110.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98.5mm 170 mm cranks | 103.5mm 170 mm cranks | 103.5mm 170 mm cranks | 106mm 170 mm cranks | 106mm 170 mm cranks | 108.5mm 170 mm cranks |
Base Build
48cm | 50cm | 52cm | 54cm | 56cm | 58cm | |
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 | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Tire Outer Diameter | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm |
Bike Length with Tires | 1721.6mm | 1724.8mm | 1725.4mm | 1737mm | 1752.1mm | 1763.3mm |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 3 in | 5 ft 3 in to 5 ft 5 in | 5 ft 5 in to 5 ft 7 in | 5 ft 7 in to 5 ft 9 in | 5 ft 9 in to 5 ft 11 in | 5 ft 11 in to 6 ft 1 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
All-road/GravelSource:https://www.noble-bikes.com/gx1