The 2022 YT Jeffsy Core 4 29 is a top-tier all-mountain trail bike built for riders who want a perfect balance of climbing efficiency and downhill capability. Its lightweight full-carbon frame is paired with 150mm of FOX Factory suspension front and rear, delivering a plush yet responsive ride on technical terrain. The SRAM X01 Eagle 12-speed drivetrain provides crisp, precise shifting, while powerful SRAM G2 RSC brakes ensure confident stopping control on steep descents. With modern geometry, 29-inch wheels, and a playful yet stable feel, the Jeffsy Core 4 29 is designed for riders who want speed, versatility, and performance across any trail.