2025 ULT.RA Kross Esker 5.0 Base L (20") 28"
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 605mm |
| Reach | 398mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal Center | 577mm |
| Top Tube Slope | 12deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 155mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 643mm |
| Front-Center Horizontal | 638.6mm |
| Wheelbase | 1062mm |
| Fork Offset/Rake | 54.9mm |
| Trail | 64.5mm mid/neutral |
| Mechanical Trail | 61mm |
| Wheel Flop | 19.9mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 112mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 106mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1774mm |
| Crank Length | 175mm |
| Handlebar Width | 420mm |
| Stem Length | 70mm |
| Stem Angle | 12deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 177 cm to 183 cm |
Source:https://kross.pl/esker-5-0-ult-ra-perlowy-holo-polysk