2026 Specialized Allez Base 54
Build
700C/29 in × 30 mm
Insights
Very upright 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 | 610mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.65:1 |
| Seat Tube Length, Unknown | 510mm |
| Top Tube Length, Effective/Horizontal Center | 541mm |
| Top Tube Slope | 13.2deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.25deg |
| Head Tube Length | 176.3mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.2mm |
| Front-Center | 585mm |
| Front-Center Horizontal | 579.9mm |
| Wheelbase | 998mm |
| Fork Offset/Rake | 34.6mm |
| Fork Length, Unknown | 378mm |
| Trail | 74.5mm high |
| Mechanical Trail | 70.8mm |
| Wheel Flop | 21.9mm |
| Standover Height | 781mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 71.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 92.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Bike Length with Tires | 1680mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| 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