1800 GT Bicycles GT BIke Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Suspension
- 100mm fork travel
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 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 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 | 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 | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very aggressive 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 | S | S | S | M | M | M | M | L | L | L | L | L | |
Stack | 581.8mm | 581.8mm | 621.5mm | 621.5mm | 591mm | 591mm | 630.7mm | 630.7mm | 600.2mm | 600.2mm | 600.2mm | 639.9mm | 639.9mm |
Reach | 410mm | 410mm | 410mm | 410mm | 435mm | 435mm | 435mm | 435mm | 460mm | 460mm | 460mm | 460mm | 460mm |
Stack to Reach Ratio | 1.42:1 | 1.42:1 | 1.52:1 | 1.52:1 | 1.36:1 | 1.36:1 | 1.45:1 | 1.45:1 | 1.3:1 | 1.3:1 | 1.3:1 | 1.39:1 | 1.39:1 |
Seat Tube Length, Unknown | 400mm | 400mm | 400mm | 400mm | 440mm | 440mm | 440mm | 440mm | 460mm | 460mm | 460mm | 460mm | 460mm |
Top Tube Length, Effective/Horizontal Unknown | 555.1mm | 547.3mm | 564.3mm | 564.3mm | 582.4mm | 583.6mm | 583.6mm | 594.9mm | 594.9mm | 594.9mm | 594.9mm | 607.3mm | 607.3mm |
Top Tube Slope | 20.9deg | 20.9deg | 24.7deg | 24.7deg | 16.9deg | 16.9deg | 20.6deg | 20.6deg | 15.1deg | 15.1deg | 15.1deg | 18.7deg | 18.7deg |
Head Tube Angle | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg | 67deg |
Seat Tube Angle | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg | 76deg |
Head Tube Length | 110mm | 110mm | 110mm | 110mm | 120mm | 120mm | 120mm | 120mm | 130mm | 130mm | 130mm | 130mm | 130mm |
Bottom Bracket Drop | 43mm | 43mm | 68mm | 68mm | 43mm | 43mm | 68mm | 68mm | 43mm | 43mm | 43mm | 68mm | 68mm |
Bottom Bracket Height | 310mm | 310mm | 304mm | 304mm | 310mm | 310mm | 304mm | 304mm | 310mm | 310mm | 310mm | 304mm | 304mm |
Chainstay Length Max | 431mm | 431mm | — | — | — | — | — | — | — | — | — | — | — |
Chainstay Length Horizontal | 431.6mm | 431.6mm | 441.6mm | 441.6mm | 431.6mm | 431.6mm | 441.6mm | 441.6mm | 431.6mm | 431.6mm | 431.6mm | 441.6mm | 441.6mm |
Chainstay Length Horizontal Max | 428.9mm | 428.9mm | — | — | — | — | — | — | — | — | — | — | — |
Front-Center | 689.1mm | 689.1mm | 706.9mm | 706.9mm | 718mm | 718mm | 735.7mm | 735.7mm | 746.8mm | 746.8mm | 746.8mm | 764.4mm | 764.4mm |
Front-Center Horizontal | 687.9mm | 687.9mm | 703.6mm | 703.6mm | 716.7mm | 716.7mm | 732.4mm | 732.4mm | 745.6mm | 745.6mm | 745.6mm | 761.2mm | 761.2mm |
Wheelbase | 1119.4mm | 1119.4mm | 1145.2mm | 1145.2mm | 1148.3mm | 1148.3mm | 1174.1mm | 1174.1mm | 1177.2mm | 1177.2mm | 1177.2mm | 1203mm | 1203mm |
Wheelbase Max | 1116.8mm | 1116.8mm | — | — | — | — | — | — | — | — | — | — | — |
Fork Offset/Rake | 44mm | 44mm | 51mm | 51mm | 44mm | 44mm | 51mm | 51mm | 44mm | 44mm | 44mm | 51mm | 51mm |
Fork Length (Axle-To-Crown) | 492mm | 492mm | 511mm | 511mm | 492mm | 492mm | 511mm | 511mm | 492mm | 492mm | 492mm | 511mm | 511mm |
Trail | 102mm very high | 102mm very high | 102.5mm very high | 102.5mm very high | 102mm very high | 102mm very high | 102.5mm very high | 102.5mm very high | 102mm very high | 102mm very high | 102mm very high | 102.5mm very high | 102.5mm very high |
Mechanical Trail | 93.9mm | 93.9mm | 94.3mm | 94.3mm | 93.9mm | 93.9mm | 94.3mm | 94.3mm | 93.9mm | 93.9mm | 93.9mm | 94.3mm | 94.3mm |
Wheel Flop | 36.7mm | 36.7mm | 36.9mm | 36.9mm | 36.7mm | 36.7mm | 36.9mm | 36.9mm | 36.7mm | 36.7mm | 36.7mm | 36.9mm | 36.9mm |
Standover Height | 709.3mm | 709.3mm | 708.3mm | 708.3mm | 734mm | 734mm | 735.7mm | 735.7mm | 744.6mm | 744.6mm | 744.6mm | 751.3mm | 751.3mm |
Tire to Pedal Spindle | 166.2mm 170 mm cranks | 166.2mm 170 mm cranks | 164.9mm 170 mm cranks | 164.9mm 170 mm cranks | 195mm 170 mm cranks | 195mm 170 mm cranks | 193.7mm 170 mm cranks | 193.7mm 170 mm cranks | 223.9mm 170 mm cranks | 223.9mm 170 mm cranks | 223.9mm 170 mm cranks | 222.5mm 170 mm cranks | 222.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 140mm 170 mm cranks | 140mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks | 140mm 170 mm cranks | 140mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks | 140mm 170 mm cranks | 140mm 170 mm cranks | 140mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks |
Base Build
S | S | S | S | M | M | M | M | L | L | L | L | L | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 705.9mm | 705.9mm | 743.9mm | 743.9mm | 705.9mm | 705.9mm | 743.9mm | 743.9mm | 705.9mm | 705.9mm | 705.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1825.3mm | 1825.3mm | 1889.1mm | 1889.1mm | 1854.2mm | 1854.2mm | 1918mm | 1918mm | 1883.1mm | 1883.1mm | 1883.1mm | 1946.9mm | 1946.9mm |
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.facebook.com/gtbicyclesph