2021 Brodie Bicycles Romulus Base 51
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 554mm |
| Reach | 378.2mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, Unknown | 510mm |
| Top Tube Length, Effective/Horizontal Center | 535mm |
| Top Tube Slope | 7deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 279mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.7mm |
| Front-Center | 590.3mm |
| Front-Center Horizontal | 587.3mm |
| Wheelbase | 1008mm |
| Fork Offset/Rake | 41.5mm |
| Trail | 69.7mm high |
| Mechanical Trail | 66.1mm |
| Wheel Flop | 21mm |
| Standover Height | 751mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 76.3mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 104mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1686mm |
| Crank Length | 175mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 4 in to 5 ft 8 in |
Source:https://www.brodiebicycles.com/2020-romulus