Description
Description
2025 YT Jeffsy Core 4 MSRP: $6,000
2025 YT Jeffsy Core 4 Full Suspension 29er Mountain Bike with SRAM X01 Eagle AXS Transmission Wireless 1X12-Speed Components, Renthal Fatbar alloy handle bars, FOX FLOAT 36 Factory Fork with 150mm Travel, Hayes Dominion A4 hydraulic disc brakes, YT Postman dropper seatpost, and Front Wheel: Crank Brothers Synthesis E29 Alloy, Rear Wheel: DT Swiss EXC 1501 Spline One Carbon 29er Size: XXL. This bike has been given a 100 point inspection as well as a full tune up before being listed. Please see the close up photos showing the condition.
Bike Specs
| Year: | 2025 |
| Brand: | YT |
| Model: | Jeffsy Core 4 |
| Size: | XXL |
| Frame: | Ultra-Modulus Carbon front and rear triangles; molded seatstay, chainstay, and bolt-on lower down tube protection |
| Fork: | FOX FLOAT 36 Factory, GRIP X2 damper, Kashima coating, 44mm offset w 150mm Travel |
| Shock: | FOX FLOAT X Factory, 2-position compression lever, Kashima coating, custom tune, 210mm length x 55mm stroke |
| Front Derailleur: | N/A |
| Rear Derailleur: | SRAM X0 Eagle Transmission 12 Speed |
| Shifters: | SRAM AXS POD Controller |
| Crankset: | SRAM X0 Eagle Transmission Alloy |
| Chainrings: | 30t |
| Cassette: | SRAM X0 Eagle Transmission 10-52t 12 Speed |
| Handlebar: | Renthal Fatbar, 780mm width, 30mm rise |
| Stem: | Renthal Apex, 50mm length |
| Seatpost: | Bike Yoke Revive Max Dropper w/ 160mm Travel |
| Saddle: | SDG |
| Wheels: |
Rear: DT Swiss EXC 1501 Spline One Carbon 29" Front: Crank Brothers Synthesis E29 Alloy 29" |
| Brakes: | Hayes Dominion A4, 4-piston caliper, hydraulic disc |



























