2018 Polygon Bikes Cascade Base L
Build
650B/27.5 in × 2.1 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 602.5mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal Unknown | 604mm |
| Top Tube Slope | 12.4deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 47mm |
| Bottom Bracket Height | 298.3mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 427.4mm |
| Front-Center | 679.8mm |
| Front-Center Horizontal | 678.2mm |
| Wheelbase | 1105.6mm |
| Fork Offset/Rake | 42mm |
| Trail | 87.6mm very high |
| Mechanical Trail | 81.8mm |
| Wheel Flop | 29.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 164.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 128.3mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 690.7mm |
| Bike Length with Tires | 1796.3mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.polygonbikes.com/product/mountain/cascade-4/