2019 Trek Bikes Fuel EX 9.9 29 XTR 17.5 Low
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension cross-country 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 | 609mm |
| Reach | 426mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 419mm |
| Top Tube Length, Effective/Horizontal HT Top | 601mm |
| Head Tube Angle | 67deg |
| Effective Seat Tube Angle, Unknown | 74.7deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 39mm |
| Bottom Bracket Height | 333mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 433.3mm |
| Front-Center | 724.8mm |
| Front-Center Horizontal | 723.8mm |
| Wheelbase | 1157mm |
| Fork Offset/Rake | 51mm |
| Trail | 102.5mm very high |
| Mechanical Trail | 94.3mm |
| Wheel Flop | 36.9mm |
| Standover Height | 740mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 182.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 163mm |
9.9 29 XTR Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1900.9mm |
| Handlebar Width | 750mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 161 cm to 172 cm |
| PBH | 76 cm to 81 cm |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-9-29/p/23652/?colorCode=greenvisibility_greydark