2020 Alchemy Bicycles Chiron Base 61
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Alchemy Bicycles Chiron
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 634mm |
| Reach | 406mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 595mm |
| Top Tube Length, Effective/Horizontal HT Top | 601mm |
| Top Tube Slope | 6.4deg |
| Head Tube Angle | 73.2deg |
| Seat Tube Angle | 72.8deg |
| Head Tube Length | 215mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 421mm |
| Chainstay Length Horizontal | 414.5mm |
| Front-Center | 630mm |
| Front-Center Horizontal | 615.6mm |
| Wheelbase | 1030mm |
| Fork Offset/Rake | 38.8mm |
| Trail | 63.1mm mid/neutral |
| Mechanical Trail | 60.4mm |
| Wheel Flop | 17.5mm |
| Standover Height | 850mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 117mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1716mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://alchemybicycles.com/product/chiron-carbon/