2018 Polygon Bikes Cascade Base M
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 | 597.8mm |
| Reach | 402.2mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, Unknown | 456mm |
| Top Tube Length, Effective/Horizontal Unknown | 585mm |
| Top Tube Slope | 16.8deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 47mm |
| Bottom Bracket Height | 298.3mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 427.4mm |
| Front-Center | 660.4mm |
| Front-Center Horizontal | 658.7mm |
| Wheelbase | 1086.1mm |
| Fork Offset/Rake | 42.1mm |
| Trail | 87.5mm very high |
| Mechanical Trail | 81.7mm |
| Wheel Flop | 29.3mm |
| Standover Height | 747mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 145mm |
| 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 | 1776.8mm |
| 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/