2025 ULT.RA Kross Esker 5.0 Base XS (17") 28"
Build
700C/29 in × 45 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 558mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 435mm |
| Top Tube Length, Effective/Horizontal Center | 530mm |
| Top Tube Slope | 16.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 593.4mm |
| Front-Center Horizontal | 588.6mm |
| Wheelbase | 1012mm |
| Fork Offset/Rake | 54.2mm |
| Trail | 65.3mm high |
| Mechanical Trail | 61.7mm |
| Wheel Flop | 20.1mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 72.4mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1724mm |
| Crank Length | 165mm |
| Handlebar Width | 380mm |
| Stem Length | 60mm |
| 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 | 163 cm to 170 cm |
Source:https://kross.pl/esker-5-0-ult-ra-perlowy-holo-polysk