2026 Specialized Allez Base 52
Build
700mm BSD × 30 mm
Insights
Somewhat 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 | 552mm |
| Reach | 364mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 350mm |
| Top Tube Length, Effective/Horizontal Center | 530mm |
| Top Tube Slope | 25deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.25deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 77mm |
| Bottom Bracket Height | 303mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418mm |
| Front-Center | 583mm |
| Front-Center Horizontal | 577mm |
| Wheelbase | 995mm |
| Fork Offset/Rake | 47mm |
| Fork Length, Unknown | 378mm |
| Trail | 81.1mm very high |
| Mechanical Trail | 76.7mm |
| Wheel Flop | 25mm |
| Standover Height | 761mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 33mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 133mm |
Base Build
| Wheel Size | 700mm BSD |
| Tire Width | 30mm |
| Tire Outer Diameter | 760mm |
| Bike Length with Tires | 1755mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| 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/gb/en/allez-comp-shimano-105/p/4221810?color=5444471-4221810