2022 ROSE Bikes Backroad AL 650B 51cm
Build
650B/27.5 in × 47 mm
Insights
Average 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 | 547.5mm |
| Reach | 364.5mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, Unknown | 475mm |
| Top Tube Length, Effective/Horizontal HT Top | 519mm |
| Top Tube Slope | 10.4deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74.25deg |
| Head Tube Length | 128mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 596mm |
| Front-Center Horizontal | 587.2mm |
| Wheelbase | 1011.5mm |
| Fork Offset/Rake | 47mm |
| Fork Length (On-Axis) | 405mm |
| Trail | 73.4mm high |
| Mechanical Trail | 68.9mm |
| Wheel Flop | 23.6mm |
| Standover Height | 767mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| 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 | 1689.5mm |
| 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 | 75 cm to 77 cm |
Source:https://www.rosebikes.com/rose-backroad-al-grx-rx810-1x11-2696844?product_shape=fog+grey