2020 Trek Bikes Powerfly FS 5 21.5 (XL) Low
Build
650B/27.5 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Powerfly FS
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 616mm |
| Reach | 490mm |
| Stack to Reach Ratio | 1.26:1 |
| Seat Tube Length, C-T | 521mm |
| Top Tube Length, Effective/Horizontal HT Top | 662mm |
| Top Tube Slope | 10.3deg |
| Head Tube Angle | 66.9deg |
| Seat Tube Angle | 74.3deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 24mm |
| Bottom Bracket Height | 327.7mm |
| Chainstay Length | 474mm |
| Chainstay Length Horizontal | 473.4mm |
| Front-Center | 800mm |
| Front-Center Horizontal | 799.6mm |
| Wheelbase | 1273mm |
| Fork Offset/Rake | 51mm |
| Trail | 94.6mm very high |
| Mechanical Trail | 87mm |
| Wheel Flop | 34.1mm |
| Standover Height | 753mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 278.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 157.7mm |
5 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 703.4mm |
| Bike Length with Tires | 1976.4mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
| Features | E-bike |
Published Sizing Recommendations
| Height | 186 cm to 196 cm |
| PBH | 87 in to 92 in |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/electric-mountain-bikes/powerfly/powerfly-full-suspension/powerfly-fs-5/p/29590/?colorCode=grey