2019 Chromag Bikes Surface GX Eagle Build
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 150mm fork travel
- Features
- Disc brake
Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | 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 |
Geometry
S | M | M/L | L | XL | |
Stack | 647mm | 647mm | 647mm | 647mm | 647mm |
Reach | 410mm | 434mm | 453mm | 479mm | 498mm |
Stack to Reach Ratio | 1.58:1 | 1.49:1 | 1.43:1 | 1.35:1 | 1.3:1 |
Seat Tube Length, C-T | 394mm | 431.8mm | 469.9mm | 495.3mm | 533.3mm |
Top Tube Length, Effective/Horizontal HT Top | 578mm | 603mm | 622mm | 648mm | 667mm |
Top Tube Slope | 27.5deg | 22.8deg | 18.6deg | 15.5deg | 11.7deg |
Head Tube Angle | 65deg | 65deg | 65deg | 65deg | 65deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 105mm | 105mm | 105mm | 105mm | 105mm |
Bottom Bracket Drop | 51mm | 51mm | 51mm | 51mm | 51mm |
Bottom Bracket Height | 318.4mm | 318.4mm | 318.4mm | 318.4mm | 318.4mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 421.9mm | 421.9mm | 421.9mm | 421.9mm | 421.9mm |
Front-Center | 737.8mm | 764.8mm | 783.7mm | 808.7mm | 834.6mm |
Front-Center Horizontal | 736.1mm | 763.1mm | 782.1mm | 807.1mm | 833.1mm |
Wheelbase | 1158mm | 1185mm | 1204mm | 1229mm | 1255mm |
Fork Offset/Rake | 43.6mm | 46.4mm | 46.4mm | 45.5mm | 51.8mm |
Trail | 124.1mm very high | 121.1mm very high | 121.1mm very high | 122.1mm very high | 115.1mm very high |
Mechanical Trail | 112.5mm | 109.8mm | 109.8mm | 110.7mm | 104.3mm |
Wheel Flop | 47.5mm | 46.4mm | 46.4mm | 46.8mm | 44.1mm |
Standover Height | 700.5mm | 737mm | 773.8mm | 798.4mm | 835.1mm |
Tire to Pedal Spindle | 198.4mm 170 mm cranks | 225.4mm 170 mm cranks | 244.3mm 170 mm cranks | 269.3mm 170 mm cranks | 295.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 148.4mm 170 mm cranks | 148.4mm 170 mm cranks | 148.4mm 170 mm cranks | 148.4mm 170 mm cranks | 148.4mm 170 mm cranks |
GX Eagle Build Build
S | M | M/L | 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 | 700C/29 in 622 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 738.8mm | 738.8mm | 738.8mm | 738.8mm | 738.8mm |
Bike Length with Tires | 1896.8mm | 1923.8mm | 1942.8mm | 1967.8mm | 1993.8mm |
Handlebar Width | 780mm | 780mm | 780mm | 780mm | 780mm |
Stem Length | 40mm | 40mm | 40mm | 40mm | 40mm |
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 All-mountain/Enduro MTBSource:https://chromagbikes.com/products/frames-surface