2023 Trek Bikes Allant 8S Step Over Medium
Build
650B/27.5 in × 2.4 in
Insights
Design deviates from other sizes of Trek Bikes Allant
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 623mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.54:1 |
| Seat Tube Length, Unknown | 446mm |
| Top Tube Length, Effective/Horizontal Unknown | 595mm |
| Top Tube Slope | 20.2deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 165mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 293mm |
| Chainstay Length | 487mm |
| Chainstay Length Horizontal | 483.3mm |
| Front-Center | 665.4mm |
| Front-Center Horizontal | 662.7mm |
| Wheelbase | 1146mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 450mm |
| Trail | 83.9mm very high |
| Mechanical Trail | 78.6mm |
| Wheel Flop | 27.5mm |
| Standover Height | 795mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 142.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 123mm |
8S Step Over Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1851.9mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
| Features | E-bike |
Published Sizing Recommendations
| Height | 5 ft 5 in to 5 ft 9 in |
Source:https://www.trekbikes.com/b2b/us/en_US/bikes/hybrid-bikes/electric-hybrid-bikes/allant/allant-8s/p/30265/?colorCode=greydark