2020 Polygon Bikes Xtrada 7 SM 27.5"
Build
650B/27.5 in × 2.25 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Polygon Bikes Xtrada
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 594mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 385mm |
| Top Tube Length, Effective/Horizontal Unknown | 569mm |
| Top Tube Slope | 23.6deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 304.2mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 422.6mm |
| Front-Center | 685mm |
| Front-Center Horizontal | 683.4mm |
| Wheelbase | 1106mm |
| Fork Offset/Rake | 42mm |
| Fork Length, Unknown | 496mm |
| Trail | 102.6mm very high |
| Mechanical Trail | 94.4mm |
| Wheel Flop | 36.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 165.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134.2mm |
7 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1804.3mm |
| Handlebar Width | 760mm |
| Stem Length | 40mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | 20% |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 152 cm to 165 cm |
Source:https://99spokes.com/en/bikes/polygon/2020/xtrada-7