2025 Fastwork B2 Base Large
Build
700C/29 in × 2.4 in
Insights
Average stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 620mm |
| Reach | 480mm |
| Stack to Reach Ratio | 1.29:1 |
| Seat Tube Length, C-T | 440mm |
| Top Tube Length, Effective/Horizontal HT Top | 604mm |
| Head Tube Angle | 64.5deg |
| Effective Seat Tube Angle, Seat Tube Top | 78.4deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 15mm |
| Bottom Bracket Height | 357mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 434.7mm |
| Front-Center | 825.2mm |
| Front-Center Horizontal | 825.1mm |
| Wheelbase | 1259.8mm |
| Fork Offset/Rake | 51mm |
| Fork Length (On-Axis) | 570mm |
| Trail | 120.9mm very high |
| Mechanical Trail | 109.1mm |
| Wheel Flop | 47mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 283.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 187mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 2003.7mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 170mm |
| Rear Travel | 167mm |
| Suspension Sag | 20% |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
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