2021 Specialized Bicycles Roubaix Base 54
Build
700C/29 in × 28 mm
Insights
Somewhat upright stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 585mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, Unknown | 465mm |
| Top Tube Length, Effective/Horizontal Center | 545mm |
| Top Tube Slope | 15.3deg |
| Head Tube Angle | 72.75deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 263mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 408mm |
| Front-Center | 585mm |
| Front-Center Horizontal | 580mm |
| Wheelbase | 988mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | 59.2mm mid/neutral |
| Mechanical Trail | 56.5mm |
| Wheel Flop | 16.8mm |
| Standover Height | 762mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 73.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 90.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1666mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 178 cm |
Source:https://www.specialized.com/us/en/roubaix/p/184477?color=293287-184477&searchText=94421-7144&size=54