2026 Specialized Allez Base 61
Build
700C/29 in × 30 mm
Insights
Very aggressive stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Specialized Allez
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 536mm |
| Reach | 392mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, Unknown | 580mm |
| Top Tube Length, Effective/Horizontal Center | 586mm |
| Top Tube Slope | -2deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73.25deg |
| Head Tube Length | 116.5mm |
| Bottom Bracket Drop | 74.5mm |
| Bottom Bracket Height | 266.5mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.4mm |
| Front-Center | 619mm |
| Front-Center Horizontal | 614.6mm |
| Wheelbase | 1033mm |
| Fork Offset/Rake | 77.9mm |
| Fork Length, Unknown | 378mm |
| Trail | 22.8mm very low |
| Mechanical Trail | 21.8mm |
| Wheel Flop | 6.4mm |
| Standover Height | 852mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 103mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 91.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Bike Length with Tires | 1715mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 110mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/allez/p/4221808?color=5444474-4221808