2020 Trek Bikes Fuel EX 8 XXL (29" wheel) Low
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Fuel EX
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 641mm |
| Reach | 520mm |
| Stack to Reach Ratio | 1.23:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal HT Top | 686mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 66.5deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 27mm |
| Bottom Bracket Height | 350mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 434.2mm |
| Front-Center | 835.3mm |
| Front-Center Horizontal | 834.8mm |
| Wheelbase | 1269mm |
| Fork Offset/Rake | 43mm |
| Trail | 117.1mm very high |
| Mechanical Trail | 107.3mm |
| Wheel Flop | 42.8mm |
| Standover Height | 806mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 288.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 180mm |
8 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 2023.1mm |
| Handlebar Width | 780mm |
| Stem Length | 50mm |
| Stem Angle | 0deg |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 195 cm to 203 cm |
| PBH | 92 cm to 95 cm |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-8/p/29458/?colorCode=black