2023 FOCUS Bikes JAM 8.9 M
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
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Geometry
| Stack | 613mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, Unknown | 420mm |
| Top Tube Length, Effective/Horizontal HT Top | 589mm |
| Top Tube Slope | 20.4deg |
| Head Tube Angle | 65deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 30mm |
| Bottom Bracket Height | 344.5mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 434mm |
| Front-Center | 770.6mm |
| Front-Center Horizontal | 770mm |
| Wheelbase | 1204mm |
| Fork Offset/Rake | 43.7mm |
| Trail | 126.5mm very high |
| Mechanical Trail | 114.6mm |
| Wheel Flop | 48.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 226.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 174.5mm |
8.9 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 1953mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 50mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 150mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.focus-bikes.com/nl_nl/1069599-jam-8-9?color_combo=121878&pim_itemgenderframe=86443&pim_itemframesizecode=119943