2025 Gunsha Bikes ATR 4.0 PX Disc XXL
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 605mm |
| Reach | 406mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 590mm |
| Seat Tube Length, C-TTT | 555mm |
| Top Tube Length, Effective/Horizontal HT Top | 580mm |
| Top Tube Length, Actual C-C | 570mm |
| Top Tube Slope | 3.8deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 62mm |
| Bottom Bracket Height | 289mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.5mm |
| Front-Center | 638.4mm |
| Front-Center Horizontal | 635.4mm |
| Wheelbase | 1060.9mm |
| Fork Offset/Rake | 50.4mm |
| Trail | 61.1mm mid/neutral |
| Mechanical Trail | 58.1mm |
| Wheel Flop | 18mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 117.4mm |
| 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 | 1762.9mm |
| 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