2021 Specialized Bicycles Allez Sprint Disc Base 54
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 538mm |
| Reach | 385mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal Center | 539mm |
| Top Tube Slope | 6.3deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 69mm |
| Bottom Bracket Height | 270mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404.2mm |
| Front-Center | 579mm |
| Front-Center Horizontal | 574.9mm |
| Wheelbase | 979mm |
| Fork Offset/Rake | 44mm |
| Fork Length (On-Axis) | 363mm |
| Trail | 57.6mm mid/neutral |
| Mechanical Trail | 55.1mm |
| Wheel Flop | 16.1mm |
| Standover Height | 764mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 70mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 100mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1657mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 175 cm |
Source:https://www.specialized.com/us/en/allez-sprint-disc-frameset/p/184445?color=293187-184445&searchText=70021-8049