2014 Specialized Bicycles Sirrus Base
- Category
- Hybrid
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Steel
- Features
- Rim brake
Geometry
SM | XS | MD | LG | XL | |
Stack | 584mm | — | — | — | — |
Reach | 394mm | — | — | — | — |
Stack to Reach Ratio | 1.48:1 | — | — | — | — |
Seat Tube Length, C-T | 440mm | 395mm | 485mm | 530mm | 570mm |
Top Tube Length, Effective/Horizontal Center | 570mm | 555mm | 580mm | 600mm | 620mm |
Top Tube Slope | 17.4deg | — | — | — | — |
Head Tube Angle | 71deg | 70.5deg | 71.5deg | 72deg | 72deg |
Seat Tube Angle | 73.25deg | 73.5deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 150mm | 130mm | 165mm | 190mm | 225mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 269mm | 269mm | 269mm | 269mm | 269mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 439.5mm | 439.5mm | 439.5mm | 439.5mm | 439.5mm |
Front-Center | 629mm | 621mm | 637mm | 647mm | 667mm |
Front-Center Horizontal | 625.5mm | 616.5mm | 633.5mm | 642.5mm | 663.5mm |
Wheelbase | 1065mm | 1056mm | 1073mm | 1082mm | 1103mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm | 51mm |
Fork Length, Unknown | 410mm | — | — | — | — |
Trail | 62.8mm mid/neutral | 65.9mm high | 59.7mm mid/neutral | 56.5mm mid/neutral | 56.5mm mid/neutral |
Mechanical Trail | 59.4mm | 62.2mm | 56.6mm | 53.8mm | 53.8mm |
Wheel Flop | 19.3mm | 20.8mm | 18mm | 16.6mm | 16.6mm |
Standover Height | 750mm | 716mm | 786mm | 821mm | 859mm |
Tire to Pedal Spindle | 120mm 170 mm cranks | 112mm 170 mm cranks | 123mm 175 mm cranks | 133mm 175 mm cranks | 153mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 99mm 170 mm cranks | 99mm 170 mm cranks | 94mm 175 mm cranks | 94mm 175 mm cranks | 94mm 175 mm cranks |
Base Build
SM | XS | MD | LG | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1743mm | 1734mm | 1751mm | 1760mm | 1781mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 580mm | 580mm | 580mm | 580mm | 580mm |
Stem Length | 90mm | 75mm | 90mm | 100mm | 100mm |
Stem Angle | 20deg | 20deg | 20deg | 20deg | 20deg |
Published Sizing Recommendations
Height | 155 cm to 165 cm | 150 cm to 158 cm | 165 cm to 175 cm | 175 cm to 183 cm | 183 cm to 193 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
HybridSource:https://www.specialized.com/us/en/sirrus/p/49608?color=149468-49608