2026 Pivot Cycles Mach 4 SL 120mm Fork - 29" XS
Build
700C/29 in × 2.4 in
Insights
Average stack and reach vs trend of full-suspension cross-country mtb bikes
Design deviates from other sizes of Pivot Cycles Mach 4 SL
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 583mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 355mm |
| Top Tube Length, Effective/Horizontal Unknown | 574mm |
| Top Tube Slope | 25.6deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 85mm |
| Bottom Bracket Drop | 38mm |
| Bottom Bracket Height | 334mm |
| Chainstay Length | 432mm |
| Chainstay Length Horizontal | 430.3mm |
| Front-Center | 701.7mm |
| Front-Center Horizontal | 700.7mm |
| Wheelbase | 1131mm |
| Fork Offset/Rake | 43.9mm |
| Trail | 117.6mm very high |
| Mechanical Trail | 107.4mm |
| Wheel Flop | 43.7mm |
| Standover Height | 641mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 159.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 164mm |
120mm Fork - 29" Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1874.9mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Rear Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.pivotcycles.com/en-us/bikes/mach-4-sl