Bike-on-Bike
Default Config
Default Config
Insights
Design deviates from other sizes of Specialized Bicycles Sirrus
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Fuel EXe
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Geometry
Stack | 635mm | 620mm -15mm |
Reach | 382mm | 428mm +46mm |
Stack to Reach Ratio | 1.66:1 | 1.45:1 |
Seat Tube Length, Unknown | 470mm | 380mm -90mm |
Top Tube Length, Unknown | 573mm | 573mm +0mm |
Top Tube Slope | 19.7deg | — |
Head Tube Angle | 71deg | 64.8deg -6.2deg |
Seat Tube Angle | 73.5deg | — |
Effective Seat Tube Angle, Unknown | 73.5deg | 77.3deg +3.8deg |
Head Tube Length | 169mm | 100mm -69mm |
Bottom Bracket Drop | 70mm | 39mm -31mm |
Bottom Bracket Height | 279mm | 335.5mm +56.5mm |
Chainstay Length | 440mm | 440mm +0mm |
Chainstay Length Horizontal | 434.4mm | 438.3mm +3.9mm |
Front-Center | 634mm | 750.8mm +116.8mm |
Front-Center Horizontal | 630.6mm | 749.7mm +119.1mm |
Wheelbase | 1065mm | 1188mm +123mm |
Fork Offset/Rake | 51mm | 44mm -7mm |
Fork Length (Axle-To-Crown) | 395mm | 575mm +180mm |
Trail | 66.2mm high | 127.6mm +61.4mm very high |
Mechanical Trail | 62.6mm | 115.5mm +52.9mm |
Wheel Flop | 20.4mm | 49.2mm +28.8mm |
Standover Height | 810mm | 726mm -84mm |
Tire to Pedal Spindle | 115mm 170 mm cranks | 211.3mm +96.3mm 165 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 170.5mm +61.5mm 165 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 2.5in +1in |
Tire Outer Diameter | 698mm | 749mm +51mm |
Bike Length with Tires | 1763mm | 1937mm +174mm |
Crank Length | 170mm | 165mm -5mm |
Handlebar Width | 680mm | 820mm +140mm |
Stem Length | 80mm | 35mm -45mm |
Stem Angle | 0deg | 0deg +0deg |
| Suspension Type | Rigid, non-suspension corrected | Full suspension |
| Bar Type | Flat Bar | Flat Bar |
| Fork Travel | — | 150mm |
| Rear Travel | — | 140mm |
| Suspension Sag | — | Unknown |
| Frame Material | Aluminum | Carbon/Composite |
| Fork Material | Unknown | Unknown |
| Brake Type | Disc | Disc |
| Features | — | E-bike |
Meta
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| Source | https://www.specialized.com/us/en/sirrus-x-40/p/200213?color=322036-200213 | https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/electric-mountain-bikes/fuel-exe/fuel-exe-9-8-gx-axs-t-type/p/41656/ |
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