First Look: YT Industries JEFFSY Core 3
We round off YT's range with the JEFFSY
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We've had the CAPRA, we've had the IZZO and now we've got the JEFFSY which will then mean we've tested each of YT Industries trail and enduro bikes. The JEFFSY sits bang in the middle of the suspension travel range being dubbed the all-mountain bike that balances uphill performance with downhill prowess.
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On test, we've got the YT Industries JEFFSY in its Core 3 build that's priced at £4,200. For that money, you get a carbon frame that benefits from full internal cable routing with internal tubes that make for easy cable replacement while dulling down any rattle. YT has paid attention to the JEFFSY's headtube with the goal of optimising the performance to weight ratio. Here the contact surfaces for the integrated headset are pre-formed into the frame. It also uses a ZeroStack design with the hopes of boosting durability.
That's not all as the frame gets heaps of protection, namely through the use of downtube, chain, and stay protection but the inside face of the drive-side seatstay is graced with a special chainsuck plate. This prevents any damage that may be caused to dropped chains.
In a further bid to boost durability, the JEFFSY uses double sealed cartridge bearings with even more seals covering those.
2022 yt industries jeffsy core 3 fork.jpg, by Liam Mercer
As the all-mountain bike in the range, this one gets 150mm of travel at either end with the rear squish being controlled by YT's Virtual Four Link suspension platform. The brand says that it's designed to provide sensitivity at the beginning of the travel with a heap of mid-stroke support and progression towards the end of the stroke. This is all to provide a poppy ride to encourage airbourne antics without bottoming out while creating a stable pedaling platform thanks to a healthy dose of anti-squat.
We've got the JEFSSY in a large which comes with a 470mm reach. Along with that, there's a 66° head tube angle, a 77° seat tube angle, and a 435mm chainstay that stretches to 440mm on the XL and XXL sizes.
Located at the lower shock mount is a handy flip-chip that steepens the bike's geometry by half a degree while raising the bottom bracket by 8mm.
Moving onto the spec, and it all looks like capable kit on the Core 3 JEFFSY. Handling the suspension at the front is a Fox 36 Performance Elite and at the rear, there's a DPX2 shock.
SRAM's got shifting sorted with a GX Eagle drivetrain which is complemented with a pair of SRAM G2 R brakes. Then the 200mm rotors are bolted to a DT Swiss M 1900 wheelset that's shod with Maxxis DHR II tyres with EXO casings, dual compounds, and 2.4" widths.
Finishing off the bike is an e*thirteen PLUS 35 780mm wide bar with a matching 50mm stem. Then YT has kitted its own Postman dropper post with 150mm of drop on this size.
The YT Industries JEFFSY Core 3 has already seen some thorough testing with our tester Ty who'll be bringing the full review over to the site very soon.
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