2025 4.0 Fastwork Fire 560mm ATC, 29"
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Suspension
- 150mm fork travel, 155mm rear travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | |
Stack | 615mm | 625mm | 635mm |
Reach | 425mm | 450mm | 480mm |
Stack to Reach Ratio | 1.45:1 | 1.39:1 | 1.32:1 |
Seat Tube Length, C-T | 400mm | 420mm | 440mm |
Top Tube Length, Effective/Horizontal Unknown | 574mm | 599mm | 624mm |
Head Tube Angle | 64.5deg | 64.5deg | 64.5deg |
Effective Seat Tube Angle, Seat Tube Top | 76deg | 76deg | 76deg |
Head Tube Length | 105mm | 105mm | 105mm |
Bottom Bracket Drop | 15mm | 15mm | 15mm |
Bottom Bracket Height | 359.5mm | 359.5mm | 359.5mm |
Chainstay Length Horizontal | 435mm | 435mm | 435mm |
Front-Center | 767.8mm | 797.6mm | 832.4mm |
Front-Center Horizontal | 767.7mm | 797.5mm | 832.2mm |
Wheelbase | 1202.7mm | 1232.5mm | 1267.2mm |
Fork Offset/Rake | 51mm | 51mm | 51mm |
Fork Length (Axle-To-Crown) | 560mm | 560mm | 560mm |
Trail | 122.1mm very high | 122.1mm very high | 122.1mm very high |
Mechanical Trail | 110.2mm | 110.2mm | 110.2mm |
Wheel Flop | 47.5mm | 47.5mm | 47.5mm |
Tire to Pedal Spindle | 223.3mm 170 mm cranks | 253.1mm 170 mm cranks | 287.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 189.5mm 170 mm cranks | 189.5mm 170 mm cranks | 189.5mm 170 mm cranks |
560mm ATC, 29" Build
S | M | L | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm |
Bike Length with Tires | 1951.7mm | 1981.5mm | 2016.2mm |
Published Sizing Recommendations
Height | 150 cm to 165 cm | 165 cm to 180 cm | 178 cm to 190 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension All-mountain/Enduro MTBSource:From AliExpress