YT Jeffsy Core 4 review

The YT Jeffsy Core 4 is a bike that arrives in a box that is not quite perfect out of the box. BUT… there is loads of potential here.

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By ben_haworth

Get the full story here:

https://singletrackworld.com/wp-content/uploads/2024/03/yt-jeffsy-core-4-review/

I can’t believe you said that this bike’s kit impressed for the price of £5000! It sounds like a sales person.
I like YT frame design but it seems that they are unable to make a CF light bike.
I was in the market last year and when you compare with others direct sales brands you find out that there are even aluminium enduro bikes lighter than this bike.
Most people who prefer to pay the extra cash for a carbon bike would expect a light bike. So, this carbon trail bike 16kg weight for £5000just seems unsaleable

I’m more surprised at the 65 degree HA being singled out as being too steep to ride it downhill with any joy 🤔

Surely there’s a combo of HA/reach/stack going on there that’s an issue for the reviewer?

Oh, and it’s not UDH, so is SRAM Transmission compatible

I’d hoped this might have been double checked after publishing on a Sunday.

The weight is also surprising. My Bird comes in less than that and a mates Transition Sentinel is ~1.5kg lighter in a lower spec.