2025 J Guillem Atalaya Base 52cm
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 | 538mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Effective/Horizontal Center | 535mm |
| Top Tube Slope | 7.4deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 608mm |
| Front-Center Horizontal | 603.8mm |
| Wheelbase | 1023mm |
| Fork Offset/Rake | 50.2mm |
| Trail | 77.9mm high |
| Mechanical Trail | 73.2mm |
| Wheel Flop | 25.1mm |
| Standover Height | 763mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 77mm |
| 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 | 1745mm |
| 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