Bike-on-Bike
Default Config
Default Config
Insights
Design deviates from other sizes of Specialized Bicycles Sirrus
Geometry
Stack | 651mm | 597mm -54mm |
Reach | 386mm | 407mm +21mm |
Stack to Reach Ratio | 1.69:1 | 1.47:1 |
Seat Tube Length, Unknown | 510mm | 495mm -15mm |
Top Tube Length, Effective/Horizontal Unknown | — | 590mm |
Top Tube Length, Unknown | 581mm | — |
Top Tube Slope | 17deg | 12.6deg -4.4deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | 73.5deg | 73deg -0.5deg |
Effective Seat Tube Angle, Unknown | 73.5deg | — |
Head Tube Length | 186mm | 175mm -11mm |
Bottom Bracket Drop | 70mm | 75mm +5mm |
Bottom Bracket Height | 279mm | 276mm -3mm |
Chainstay Length | 440mm | 435mm -5mm |
Chainstay Length Horizontal | 434.4mm | 428.5mm -5.9mm |
Front-Center | 644mm | 644.9mm +0.9mm |
Front-Center Horizontal | 639.6mm | 640.5mm +0.9mm |
Wheelbase | 1074mm | 1069mm -5mm |
Fork Offset/Rake | 51mm | 50mm -1mm |
Fork Length (Axle-To-Crown) | 395mm | — |
Trail | 66.2mm high | 68mm +1.8mm high |
Mechanical Trail | 62.6mm | 64.3mm +1.7mm |
Wheel Flop | 20.4mm | 20.9mm +0.5mm |
Standover Height | 831mm | 773mm -58mm |
Tire to Pedal Spindle | 120mm 175 mm cranks | 121.4mm +1.4mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 104mm 175 mm cranks | 103.5mm -0.5mm 172.5 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 40mm +2mm |
Tire Outer Diameter | 698mm | 702mm +4mm |
Bike Length with Tires | 1772mm | 1771mm -1mm |
Crank Length | 175mm | 172.5mm -2.5mm |
Handlebar Width | 680mm | 680mm +0mm |
Stem Length | 90mm | 90mm +0mm |
Stem Angle | 0deg | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Flat Bar | Flat Bar |
| Frame Material | Aluminum | Aluminum |
| Fork Material | Unknown | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.specialized.com/us/en/sirrus-x-40/p/200213?color=322036-200213 | https://www.giant-bicycles.com/us/fastroad-ar-2-2025 |
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