2017/2018 Trek Bikes Farley ex 8 Base XL/21.5
Build
650B/27.5 in × 3.8 in
Insights
Somewhat upright stack and reach vs trend of full-suspension fatbike bikes
Design deviates from other sizes of Trek Bikes Farley ex 8
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 617mm |
| Reach | 454mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, Effective Unknown | 521mm |
| Top Tube Length, Effective/Horizontal Center | 643mm |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 323.5mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 435.2mm |
| Front-Center | 761.6mm |
| Front-Center Horizontal | 761.4mm |
| Wheelbase | 1156mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 120mm |
| Trail | 94.5mm very high |
| Mechanical Trail | 88.2mm |
| Wheel Flop | 31.6mm |
| Standover Height | 816mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 198.1mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 148.5mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 3.8in |
| Tire Outer Diameter | 777mm |
| Bike Length with Tires | 1933mm |
| Crank Length | 175mm |
| Handlebar Width | 750mm |
| Stem Length | 60mm |
| Stem Angle | 0deg |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Rear Travel | 120mm |
| Suspension Sag | 20% |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 6 ft 1 in to 6 ft 5 in |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/fat-bikes/farley-ex/farley-ex-8/p/17074/