2023 Allied Cycle Works Alfa 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 | 550mm |
| Reach | 389mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal Center | 547mm |
| Top Tube Slope | 6.4deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 142mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 266mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.5mm |
| Front-Center | 585.1mm |
| Front-Center Horizontal | 580.6mm |
| Wheelbase | 984mm |
| Fork Offset/Rake | 44mm |
| Trail | 57.6mm mid/neutral |
| Mechanical Trail | 55.1mm |
| Wheel Flop | 16.1mm |
| Standover Height | 780mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 73.6mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 93.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1662mm |
| Crank Length | 172.5mm |
| Handlebar Width | 42mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://alliedcycleworks.com/collections/alfa/products/alfa-frameset-custom
