2025 4.0 Fastwork Fire 560mm ATC, 29" L
Build
700C/29 in × 2.5 in
Insights
Average stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 635mm |
| Reach | 480mm |
| Stack to Reach Ratio | 1.32:1 |
| Seat Tube Length, C-T | 440mm |
| Top Tube Length, Effective/Horizontal Unknown | 624mm |
| Head Tube Angle | 64.5deg |
| Effective Seat Tube Angle, Seat Tube Top | 76deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 15mm |
| Bottom Bracket Height | 359.5mm |
| Chainstay Length Horizontal | 435mm |
| Front-Center | 832.4mm |
| Front-Center Horizontal | 832.2mm |
| Wheelbase | 1267.2mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 560mm |
| Trail | 122.1mm very high |
| Mechanical Trail | 110.2mm |
| Wheel Flop | 47.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 287.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 189.5mm |
560mm ATC, 29" Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 2016.2mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 155mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 178 cm to 190 cm |
Source:From AliExpress