2009 Ridley Bikes Boreas Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Rim brake
Geometry
52cm + Spacers | 52cm | |
Stack | 595mm | 537mm |
Reach | 380mm | 394mm |
Stack to Reach Ratio | 1.57:1 | 1.36:1 |
Seat Tube Length, C-C | 470mm | 470mm |
Top Tube Length, Effective/Horizontal Center | — | 530.2mm |
Top Tube Length, Actual C-C | — | 520mm |
Top Tube Slope | — | 5.2deg |
Head Tube Angle | 76.6deg | 76.6deg |
Seat Tube Angle | 75.3deg | 75.3deg |
Head Tube Length | 206mm | 145mm |
Bottom Bracket Drop | 68mm | 68mm |
Bottom Bracket Height | 268mm | 268mm |
Chainstay Length | 406mm | 406mm |
Chainstay Length Horizontal | 400.3mm | 400.3mm |
Front-Center | 581mm | 581mm |
Front-Center Horizontal | 563.7mm | 563.7mm |
Wheelbase | 964mm | 964mm |
Fork Offset/Rake | 0mm | 0mm |
Fork Length (Axle-To-Crown) | 374mm | 374mm |
Trail | 80.1mm very high | 80.1mm very high |
Mechanical Trail | 77.9mm | 77.9mm |
Wheel Flop | 18.1mm | 18.1mm |
Tire to Pedal Spindle | 75mm 170 mm cranks | 75mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
52cm + Spacers | 52cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 25mm |
Tire Width Max | 28mm | 28mm |
Tire Outer Diameter | 672mm | 672mm |
Bike Length with Tires | 1636mm | 1636mm |
Crank Length | 170mm | 170mm |
Handlebar Width | 40cm | 40cm |
Stem Length | 125mm | 125mm |
Stem Angle | -7deg | -7deg |
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
Endurance RoadSource:https://www.wheelfineimports.com/Ridley_Boreas.html