2025 Brodie Bicycles Romulus 2.0 2X GRX 42
Build
650B/27.5 in × 53 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Brodie Bicycles Romulus
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 538mm |
| Reach | 366mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, Unknown | 420mm |
| Top Tube Length, Effective/Horizontal Center | 520mm |
| Top Tube Slope | 15.6deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429mm |
| Front-Center | 593.4mm |
| Front-Center Horizontal | 589mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 41.2mm |
| Trail | 88.3mm very high |
| Mechanical Trail | 82.5mm |
| Wheel Flop | 29.6mm |
| Standover Height | 740mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 73.4mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 98mm |
2.0 2X GRX Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 53mm |
| Tire Outer Diameter | 690mm |
| Bike Length with Tires | 1708mm |
| Crank Length | 175mm |
| Handlebar Width | 400mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 1 ft 10 in to 5 ft 3 in |
Source:https://www.brodiebicycles.com/romulus-20