2019 YT Industries Jeffsy AL Base 29 Small
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of YT Industries Jeffsy
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 605mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 571mm |
| Top Tube Slope | 23.2deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 24mm |
| Bottom Bracket Height | 348mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 434.3mm |
| Front-Center | 698mm |
| Front-Center Horizontal | 697.7mm |
| Wheelbase | 1132mm |
| Fork Offset/Rake | 42mm |
| Trail | 112.3mm very high |
| Mechanical Trail | 103.3mm |
| Wheel Flop | 40.4mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 151mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 173mm |
AL Base 29 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1875.9mm |
| Crank Length | 175mm |
| Handlebar Width | 780mm |
| Stem Length | 50mm |
| Stem Angle | 0deg |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Rear Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 2 in to 5 ft 8 in |
Source:https://99spokes.com/bikes/yt/2019/jeffsy-29-al-base