2017 Trek Bikes Top Fuel 9 21.5
Build
29mm BSD × 22 mm
Insights
Average stack and reach vs trend of full-suspension cross-country mtb bikes
Design deviates from other sizes of Trek Bikes Top Fuel
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 606mm |
| Reach | 472mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, Unknown | 495mm |
| Top Tube Length, Actual C-C | 646mm |
| Top Tube Slope | 12.1deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 39mm |
| Bottom Bracket Height | -2.5mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 433.3mm |
| Front-Center | 734mm |
| Front-Center Horizontal | 732.8mm |
| Wheelbase | 1166mm |
| Fork Offset/Rake | 51mm |
| Trail | -41mm |
| Mechanical Trail | -38.5mm |
| Wheel Flop | -13.2mm |
| Standover Height | 719mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 527.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | -172.5mm |
9 Build
| Wheel Size | 29mm BSD |
| Tire Width | 22mm |
| Tire Outer Diameter | 73mm |
| Bike Length with Tires | 1239mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://99spokes.com/en-EU/bikes/trek/2017/top-fuel-9.8-sl