2021 YT Industries Jeffsy Core 4 29 XL high
Build
700C/29 in × 2.4 in
Insights
Average stack and reach vs trend of full-suspension all-mountain/enduro 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
View all sizes
Geometry
| Stack | 636mm |
| Reach | 490mm |
| Stack to Reach Ratio | 1.3:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal HT Top | 638mm |
| Top Tube Slope | 17.6deg |
| Head Tube Angle | 66.5deg |
| Seat Tube Angle | 77.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 24mm |
| Bottom Bracket Height | 348mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 439.3mm |
| Front-Center | 808mm |
| Front-Center Horizontal | 807.7mm |
| Wheelbase | 1247mm |
| Fork Offset/Rake | 47.3mm |
| Trail | 110.2mm very high |
| Mechanical Trail | 101mm |
| Wheel Flop | 40.3mm |
| Standover Height | 693mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 266.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 178mm |
Core 4 29 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1990.9mm |
| 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 | Unknown |
Published Sizing Recommendations
| Height | 183 cm to 193 cm |
Source:https://us.yt-industries.com/detail/index/sArticle/374/sPreview/1?number=101369#tech2