2021 Polygon Bikes Sierra Oosten26
- Category
- Comfort
- Design
- Swept Back Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Steel
- Features
- Rim brake, Step-through
Geometry
M | L | |
Stack | 610mm | 610mm |
Reach | 389.4mm | 409.4mm |
Stack to Reach Ratio | 1.57:1 | 1.49:1 |
Seat Tube Length, Unknown | 480mm | 480mm |
Top Tube Length, Effective/Horizontal Unknown | 570mm | 590mm |
Top Tube Slope | 15.9deg | 15.4deg |
Head Tube Angle | 69deg | 69deg |
Seat Tube Angle | 73.5deg | 73.5deg |
Head Tube Length | 135mm | 135mm |
Bottom Bracket Drop | 50mm | 50mm |
Bottom Bracket Height | 282mm | 282mm |
Chainstay Length | 460mm | 460mm |
Chainstay Length Horizontal | 457.3mm | 457.3mm |
Front-Center | 651.2mm | 671.1mm |
Front-Center Horizontal | 649.2mm | 669.2mm |
Wheelbase | 1106.5mm | 1126.5mm |
Fork Offset/Rake | 41.9mm | 41.9mm |
Trail | 82.6mm very high | 82.6mm very high |
Mechanical Trail | 77.1mm | 77.1mm |
Wheel Flop | 27.6mm | 27.6mm |
Standover Height | 450mm | 450mm |
Tire to Pedal Spindle | 154.2mm 165 mm cranks | 174.1mm 165 mm cranks |
Pedal Spindle to Ground Clearance | 117mm 165 mm cranks | 117mm 165 mm cranks |
Oosten26 Build
M | L | |
Wheel Size | 590mm BSD 590 mm BSD | 590mm BSD 590 mm BSD |
Tire Width | 37mm | 37mm |
Tire Outer Diameter | 664mm | 664mm |
Bike Length with Tires | 1770.5mm | 1790.5mm |
Crank Length | 165mm | 165mm |
Handlebar Width | 620mm | 620mm |
Published Sizing Recommendations
Height | 160 cm to 170 cm | 170 cm to 180 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
ComfortSource:https://www.polygonbikes.com/id/sierra-oosten26/