2021 ROSE Bikes Activa Pro 18.5
Build
650B/27.5 in × 50 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 581mm |
| Reach | 407mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal HT Top | 585mm |
| Top Tube Slope | 13.6deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 282mm |
| Chainstay Length | 465mm |
| Chainstay Length Horizontal | 461.1mm |
| Front-Center | 650mm |
| Front-Center Horizontal | 650.9mm |
| Wheelbase | 1112mm |
| Fork Offset/Rake | 50mm |
| Trail | 71.3mm high |
| Mechanical Trail | 67mm |
| Wheel Flop | 22.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 138mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 112mm |
Pro Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Bike Length with Tires | 1796mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.rosebikes.com/bikes/touring/activa-pro