2020 On-One Jack Flash 29er Base MED
Build
700C/29 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: Flat Bar
vs hardtail trail mtb bikesCategory: Flat Bar
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 609mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Unknown | 600mm |
| Top Tube Slope | 20.3deg |
| Head Tube Angle | 65deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 312.7mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 441.2mm |
| Front-Center | 752mm |
| Front-Center Horizontal | 749.8mm |
| Wheelbase | 1191mm |
| Fork Offset/Rake | 51mm |
| Trail | 116.6mm very high |
| Mechanical Trail | 105.7mm |
| Wheel Flop | 44.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 211.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142.7mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1932.4mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 50mm |
| Stem Angle | 7deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Moto/Klunker/Riser Bar |
| Fork Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 7 in to 5 ft 11 in |
Source:https://www.planetx.co.uk/i/q/CBPXJFSX/planet-x-jack-flash-29er-sram-sx-mountain-bike