2022 ROSE Bikes Backroad AL 650B 49 cm
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 | 543mm |
| Reach | 355.5mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, Unknown | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 506mm |
| Top Tube Slope | 13deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 118mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.9mm |
| Front-Center | 589mm |
| Front-Center Horizontal | 581.6mm |
| Wheelbase | 1005.5mm |
| Fork Offset/Rake | 47mm |
| Fork Length (On-Axis) | 405mm |
| Trail | 76.6mm high |
| Mechanical Trail | 71.7mm |
| Wheel Flop | 25.1mm |
| Standover Height | 747mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 80mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
650B Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1683.5mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| PBH | 70 cm to 74 cm |
Source:https://www.rosebikes.com/rose-backroad-al-grx-rx810-1x11-2696844?product_shape=fog+grey