2017/2018 Trek Bikes Farley ex 8 Base
- Category
- Full-suspension Fatbike
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Fork
- Aluminum
- Suspension
- 120mm fork travel, 120mm rear travel, 20% sag
- Features
- Disc brake
Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category |
Geometry
SM/15.5 | Small | MD/17.5 | Medium | LG/19.5 | Large | XL/21.5 | Extra Large | |
Stack | 598mm | 598mm | 598mm | 598mm | 617mm | 617mm | 617mm | 617mm |
Reach | 383mm | 383mm | 410mm | 410mm | 441mm | 441mm | 454mm | 454mm |
Stack to Reach Ratio | 1.56:1 | 1.56:1 | 1.46:1 | 1.46:1 | 1.4:1 | 1.4:1 | 1.36:1 | 1.36:1 |
Seat Tube Length, Effective Unknown | 368mm | 368mm | 419mm | 419mm | 470mm | 470mm | 521mm | 521mm |
Top Tube Length, Effective/Horizontal Center | 566mm | — | 593mm | — | 630mm | — | 643mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 566mm | — | 593mm | — | 630mm | — | 643mm |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 100mm | 100mm | 100mm | 100mm | 100mm | 120mm | 100mm | 120mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 323.5mm | -16.5mm | 323.5mm | -16.5mm | 323.5mm | -16.5mm | 323.5mm | -16.5mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 435.2mm | 435.2mm | 435.2mm | 435.2mm | 435.2mm | 435.2mm | 435.2mm | 435.2mm |
Front-Center | 668.7mm | 646mm | 704.5mm | 673mm | 737.5mm | 711mm | 761.6mm | 724mm |
Front-Center Horizontal | 668.4mm | 642.8mm | 704.2mm | 669.8mm | 737.3mm | 707.8mm | 761.4mm | 720.8mm |
Wheelbase | 1078mm | 1078mm | 1105mm | 1105mm | 1143mm | 1143mm | 1156mm | 1156mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm |
Fork Length, Unknown | 120mm | 531mm | 120mm | 531mm | 120mm | 531mm | 120mm | 531mm |
Trail | 94.5mm very high | -36mm | 94.5mm very high | -36mm | 94.5mm very high | -36mm | 94.5mm very high | -36mm |
Mechanical Trail | 88.2mm | -33.6mm | 88.2mm | -33.6mm | 88.2mm | -33.6mm | 88.2mm | -33.6mm |
Wheel Flop | 31.6mm | -12mm | 31.6mm | -12mm | 31.6mm | -12mm | 31.6mm | -12mm |
Standover Height | 764mm | 764mm | 750mm | 750mm | 778mm | 778mm | 816mm | 816mm |
Tire to Pedal Spindle | 110.2mm 170 mm cranks | 427.5mm 170 mm cranks | 141mm 175 mm cranks | 454.5mm 170 mm cranks | 174mm 175 mm cranks | 487.5mm 175 mm cranks | 198.1mm 175 mm cranks | 500.5mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 153.5mm 170 mm cranks | -186.5mm 170 mm cranks | 148.5mm 175 mm cranks | -186.5mm 170 mm cranks | 148.5mm 175 mm cranks | -191.5mm 175 mm cranks | 148.5mm 175 mm cranks | -191.5mm 175 mm cranks |
Base Build
SM/15.5 | Small | MD/17.5 | Medium | LG/19.5 | Large | XL/21.5 | Extra Large | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in |
Tire Width Max | 3.8mm | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in | 3.8in |
Tire Outer Diameter | 777mm | 97mm | 777mm | 97mm | 777mm | 97mm | 777mm | 97mm |
Bike Length with Tires | 1855mm | 1175mm | 1882mm | 1202mm | 1920mm | 1240mm | 1933mm | 1253mm |
Crank Length | 170mm | 170mm | 175mm | 170mm | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm |
Stem Length | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm |
Stem Angle | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 6 in | 5 ft 1 in to 5 ft 5 in | 5 ft 3 in to 5 ft 9 in | 5 ft 5 in to 5 ft 9 in | 5 ft 9 in to 6 ft 2 in | 5 ft 8 in to 5 ft 11 in | 6 ft 1 in to 6 ft 5 in | 5 ft 10 in to 6 ft 2 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension FatbikeSource:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/fat-bikes/farley-ex/farley-ex-8/p/17074/