Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of ROSE Bikes Backroad AL
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Geometry
Stack | 540.8mm | 548mm +7.2mm |
Reach | 365.1mm | 364mm -1.1mm |
Stack to Reach Ratio | 1.48:1 | 1.51:1 |
Seat Tube Length, C-T | 440mm | 485mm +45mm |
Top Tube Length, Effective/Horizontal HT Top | 510mm | 523mm +13mm |
Top Tube Slope | 13.6deg | 9.3deg -4.3deg |
Head Tube Angle | 70deg | 70deg +0deg |
Seat Tube Angle | 75deg | 74deg -1deg |
Head Tube Length | 100mm | 110mm +10mm |
Bottom Bracket Drop | 78mm | 75mm -3mm |
Bottom Bracket Height | 273mm | 264mm -9mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 422.9mm | 423.4mm +0.5mm |
Front-Center | 589.8mm | 589mm -0.8mm |
Front-Center Horizontal | 584.6mm | 584.6mm +0mm |
Wheelbase | 1007.5mm | 1008mm +0.5mm |
Fork Offset/Rake | 48mm | 45mm -3mm |
Fork Length (Axle-To-Crown) | 410mm | — |
Trail | 76.7mm high | 75.5mm -1.2mm high |
Mechanical Trail | 72.1mm | 70.9mm -1.2mm |
Wheel Flop | 24.6mm | 24.3mm -0.3mm |
Standover Height | 763mm | — |
Tire to Pedal Spindle | 68.8mm 170 mm cranks | 80mm +11.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 94mm -9mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 40mm | 47mm +7mm |
Tire Outer Diameter | 702mm | 678mm -24mm |
Bike Length with Tires | 1709.5mm | 1686mm -23.5mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Aluminum | Titanium |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.rosebikes.com/p/rose-backroad-al-eq-2725772 | https://www.serk.cc/a21/ |
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