2019 Trek Bikes Super Commuter+ 8S M (50cm)
Build
650B/27.5 in × 2.4 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 607mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 574mm |
| Top Tube Slope | 18.8deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 293mm |
| Chainstay Length | 470mm |
| Chainstay Length Horizontal | 466.2mm |
| Front-Center | 643.7mm |
| Front-Center Horizontal | 640.9mm |
| Wheelbase | 1107mm |
| Fork Offset/Rake | 45mm |
| Trail | 83.9mm very high |
| Mechanical Trail | 78.6mm |
| Wheel Flop | 27.5mm |
| Standover Height | 789mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 123mm |
8S Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1812.9mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
| Features | E-bike |
Published Sizing Recommendations
| Height | 164 cm to 177 cm |
| PBH | 77 cm to 83 cm |
Source:https://www.trekbikes.com/us/en_US/bikes/hybrid-bikes/electric-hybrid-bikes/super-commuter/super-commuter-8s/p/17297/?colorCode=red