2025 ULT.RA Kross Esker 5.0 Base M (19") 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
586mm
Reach
387mm
Stack to Reach Ratio
1.51:1
Seat Tube Length, C-T
485mm
Top Tube Length, Effective/Horizontal Center
561mm
Top Tube Slope
13deg
Head Tube Angle
71deg
Seat Tube Angle
74deg
Head Tube Length
135mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
281mm
Chainstay Length
430mm
Chainstay Length Horizontal
423.4mm
Front-Center
626.1mm
Front-Center Horizontal
621.6mm
Wheelbase
1045mm
Fork Offset/Rake
55.5mm
Trail
63.9mm
mid/​neutral
Mechanical Trail
60.5mm
Wheel Flop
19.7mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
97.6mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
108.5mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
45mm
Tire Outer Diameter
712mm
Bike Length with Tires
1757mm
Crank Length
172.5mm
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
173 cm
to
179 cm
Source:https://kross.pl/esker-5-0-ult-ra-perlowy-holo-polysk