With the Jeffsy Core 1, YT wants to pull the riding fun into affordable price regions. Compared to the carbon version, you have to do without the storage compartment in the down tube on the aluminum bike for 2499 Euro. And of course the equipment is somewhat cheaper. But the geometry of the Jeffsy Core 1 remains unchanged compared to its more expensive brothers. If you ride super fast on tricky singletrails, you will love the calm handling of the All Mountain von YT. The seating position of the in alpine terrain moves in a moderate range between sporty and comfortable. Especially for light riders under 70 kilos, the weight of this bike is enormous. With 16 kg, the ratio of rider to bike weight could be lighter. For trail lovers, one point dominates: the All Mountain von YT scores in the decent with an extremely good geometry, a high-quality suspension and grippy tires. A nice warranty promises sustainability. With 5 years warranty YT sets the bar high!