2025 Gunsha Bikes ATR 4.0 PX Disc S

Build

700C/29 in × 40 mm

Insights

Very aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Gunsha Bikes ATR

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
546.8mm
Reach
395mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
500mm
Seat Tube Length, C-TTT
455mm
Top Tube Length, Effective/Horizontal HT Top
535mm
Top Tube Length, Actual C-C
519mm
Top Tube Slope
7.1deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
130mm
Bottom Bracket Drop
62mm
Bottom Bracket Height
289mm
Chainstay Length
430mm
Chainstay Length Horizontal
425.5mm
Front-Center
591.6mm
Front-Center Horizontal
588.3mm
Wheelbase
1013.8mm
Fork Offset/Rake
34mm
Trail
78.3mm
high
Mechanical Trail
74.4mm
Wheel Flop
23mm
Tire to Pedal Spindle Distance
With 170 mm cranks
70.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
119mm

4.0 PX Disc Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1715.8mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.cyclocross-store.de/index.php?page=product&info=1350