2022 ROSE Bikes Backroad AL 650B 55cm
Build
650B/27.5 in × 47 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of ROSE Bikes Backroad AL
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 582.5mm |
| Reach | 373.5mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal HT Top | 543mm |
| Top Tube Slope | 11.3deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.75deg |
| Head Tube Length | 158mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 611.5mm |
| Front-Center Horizontal | 604.7mm |
| Wheelbase | 1029mm |
| Fork Offset/Rake | 47mm |
| Fork Length (On-Axis) | 405mm |
| Trail | 70.2mm high |
| Mechanical Trail | 66.2mm |
| Wheel Flop | 22.1mm |
| Standover Height | 793mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 102.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
650B Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1707mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| PBH | 81 cm to 83 cm |
Source:https://www.rosebikes.com/rose-backroad-al-grx-rx810-1x11-2696844?product_shape=fog+grey