2020 Alchemy Bicycles Atlas Base 56
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Alchemy Bicycles Atlas
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 572mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal HT Top | 560mm |
| Top Tube Slope | 5.7deg |
| Head Tube Angle | 73.2deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 409.1mm |
| Front-Center | 590mm |
| Front-Center Horizontal | 581mm |
| Wheelbase | 990mm |
| Fork Offset/Rake | 37.7mm |
| Trail | 63mm mid/neutral |
| Mechanical Trail | 60.3mm |
| Wheel Flop | 17.4mm |
| Standover Height | 790mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1668mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://alchemybicycles.com/product/atlas-carbon/