2025 J Guillem Atalaya Base 60cm
Build
700C/29 in × 50 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of J Guillem Atalaya
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 626mm |
| Reach | 409mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 570mm |
| Top Tube Length, Effective/Horizontal Center | 600mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 215mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 646mm |
| Front-Center Horizontal | 641.8mm |
| Wheelbase | 1061mm |
| Fork Offset/Rake | 54.8mm |
| Trail | 56.3mm mid/neutral |
| Mechanical Trail | 53.7mm |
| Wheel Flop | 16.2mm |
| Standover Height | 847mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 115mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 121mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1783mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://jguillem.com/bike/atalaya-gravel