1800 GT Bicycles GT BIke Base S
Build
650B/27.5 in × 2.4 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of GT Bicycles GT BIke
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 581.8mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, Unknown | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 547.3mm |
| Top Tube Slope | 20.9deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 43mm |
| Bottom Bracket Height | 310mm |
| Chainstay Length Max | 431mm |
| Chainstay Length Horizontal | 431.6mm |
| Chainstay Length Horizontal Max | 428.9mm |
| Front-Center | 689.1mm |
| Front-Center Horizontal | 687.9mm |
| Wheelbase | 1119.4mm |
| Wheelbase Max | 1116.8mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 492mm |
| Trail | 102mm very high |
| Mechanical Trail | 93.9mm |
| Wheel Flop | 36.7mm |
| Standover Height | 709.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 166.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 140mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1825.3mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.facebook.com/gtbicyclesph