2026 ROSE Bikes Backroad AL Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category |
Geometry
XXS | XS | S | M | M/L | L | XL | XXL | |
Stack | 540.8mm | 552.2mm | 568.2mm | 583.4mm | 602.3mm | 612.8mm | 627mm | 642.3mm |
Reach | 365.1mm | 374.5mm | 387.4mm | 395.5mm | 402.3mm | 411.4mm | 429.3mm | 437.8mm |
Stack to Reach Ratio | 1.48:1 | 1.47:1 | 1.47:1 | 1.48:1 | 1.5:1 | 1.49:1 | 1.46:1 | 1.47:1 |
Seat Tube Length, C-T | 440mm | 460mm | 480mm | 490mm | 510mm | 530mm | 555mm | 580mm |
Top Tube Length, Effective/Horizontal HT Top | 510mm | 525mm | 545mm | 560mm | 575mm | 590mm | 615mm | 628mm |
Top Tube Slope | 13.6deg | 12.3deg | 11.6deg | 11.9deg | 11.7deg | 10.5deg | 9.2deg | 8.1deg |
Head Tube Angle | 70deg | 70.5deg | 71deg | 71.25deg | 71.25deg | 71.5deg | 71.5deg | 71.75deg |
Seat Tube Angle | 75deg | 74.75deg | 74.5deg | 74.25deg | 74deg | 73.75deg | 73.5deg | 73.5deg |
Head Tube Length | 100mm | 110mm | 125mm | 140mm | 160mm | 170mm | 185mm | 200mm |
Bottom Bracket Drop | 78mm | 78mm | 78mm | 78mm | 78mm | 78mm | 78mm | 78mm |
Bottom Bracket Height | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 422.9mm | 422.9mm | 422.9mm | 422.9mm | 422.9mm | 422.9mm | 422.9mm | 422.9mm |
Front-Center | 589.8mm | 598.4mm | 612mm | 622.6mm | 635.7mm | 645.7mm | 668.2mm | 678.8mm |
Front-Center Horizontal | 584.6mm | 593.3mm | 607mm | 617.7mm | 630.9mm | 640.9mm | 663.6mm | 674.3mm |
Wheelbase | 1007.5mm | 1016.2mm | 1029.9mm | 1040.6mm | 1053.8mm | 1063.8mm | 1086.5mm | 1097.2mm |
Fork Offset/Rake | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm |
Fork Length (Axle-To-Crown) | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
Trail | 76.7mm high | 73.4mm high | 70.1mm high | 68.5mm high | 68.5mm high | 66.8mm high | 66.8mm high | 65.2mm high |
Mechanical Trail | 72.1mm | 69.2mm | 66.3mm | 64.8mm | 64.8mm | 63.4mm | 63.4mm | 61.9mm |
Wheel Flop | 24.6mm | 23.1mm | 21.6mm | 20.8mm | 20.8mm | 20.1mm | 20.1mm | 19.4mm |
Standover Height | 763mm | 779mm | 796mm | 808mm | 827mm | 842mm | 861mm | 881mm |
Tire to Pedal Spindle | 68.8mm 170 mm cranks | 77.4mm 170 mm cranks | 91mm 170 mm cranks | 101.6mm 170 mm cranks | 114.7mm 170 mm cranks | 124.7mm 170 mm cranks | 147.2mm 170 mm cranks | 157.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
XXS | XS | S | M | M/L | L | XL | XXL | |
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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm |
Bike Length with Tires | 1709.5mm | 1718.2mm | 1731.9mm | 1742.6mm | 1755.8mm | 1765.8mm | 1788.5mm | 1799.2mm |
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
All-road/GravelSource:https://www.rosebikes.com/p/rose-backroad-al-eq-2725772