2025 J Guillem Atalaya Base 58cm
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 | 607mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 550mm |
| Top Tube Length, Effective/Horizontal Center | 590mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 195mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 641mm |
| Front-Center Horizontal | 636.8mm |
| Wheelbase | 1056mm |
| Fork Offset/Rake | 49.8mm |
| Trail | 65mm mid/neutral |
| Mechanical Trail | 61.8mm |
| Wheel Flop | 19.1mm |
| Standover Height | 825mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 110mm |
| 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 | 1778mm |
| 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