2026 ROSE Bikes Backroad AL Base S

Build

700C/29 in × 40 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
568.2mm
Reach
387.4mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, C-T
480mm
Top Tube Length, Effective/Horizontal HT Top
545mm
Top Tube Slope
11.6deg
Head Tube Angle
71deg
Seat Tube Angle
74.5deg
Head Tube Length
125mm
Bottom Bracket Drop
78mm
Bottom Bracket Height
273mm
Chainstay Length
430mm
Chainstay Length Horizontal
422.9mm
Front-Center
612mm
Front-Center Horizontal
607mm
Wheelbase
1029.9mm
Fork Offset/Rake
48mm
Fork Length (Axle-To-Crown)
410mm
Trail
70.1mm
high
Mechanical Trail
66.3mm
Wheel Flop
21.6mm
Standover Height
796mm
Tire to Pedal Spindle Distance
With 170 mm cranks
91mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1731.9mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.rosebikes.com/p/rose-backroad-al-eq-2725772