Kindernay Internal Gear Hub XIV – 14 speed, 543% range.

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Sanny reviews the Kindernay 14 speed internal gear hub, which promises shifting under load and a 543% range.

  • £1,350 including hydraulic trigger shifters and SWAP cage
  • £140 for SWAP cage on its own.
  • Available from: ghyllside.co.uk

It’s not every day that you are offered the opportunity to test a product that is so different from what is considered the norm that you are not quite sure where to start with it. Enter stage left Kevin from Ghyllside Cycles in Ambleside, purveyors of products that are just that little bit different and dare I say unusual from what you find in most bike shops these days. “Sanny. Fancy testing a Kindernay Internal Geared Hub? It’s one of the first in the country and we’ve just built it up into a test bike.” Having seen the hub in the flesh back in December, I was more than a little intrigued. Internally geared hubs are an established albeit slightly niche segment of the drivetrain market but in their XIV hub, Kindernay has packed in more design innovation than you can shake a stick at.

Like a Kinder Egg, this is full of nice surprises!

Different? Different how?

For starters, the hub body can be removed from the accompanying lattice work cage. Want to move between different wheels? The XIV allows you to do this so you are no longer locked into a single size of rim without a complete wheel rebuild. The axle is a true bolt thru design – there are no adapters to mess about with. It is claimed that it can shift under load up and down the full range of gears. The disc mounting bolts are spaced further apart than a normal disc which in theory should make for less disc flex. Instead of Gripshift style shifting, the XIV features a fully hydraulic trigger system with one lever for shifting up and one lever for shifting down. Last but not least, Kindernay claims their design to be the lightest on the market! Phew! It’s fair to say that there is a lot going on.

Not your normal disc and not your normal number of bolts either.

The techy bit

The XIV name comes from the hub having 14 speeds with a 13.9% step between each. In gear ratio terms, this means that it offers a total range of 543% which is still greater than SRAM’s 520% range on offer from their newly released 10 – 52 cassettes.

The hub employs a planetary gear design. In basic terms, this is a series of cogged wheels which run within each other. The Kindernay web
ite has a really interesting explanation of how the design works and explains it in terms of planets orbiting round a sun. I could repeat this verbatim for you but when it comes to explaining how things work from a mechanical engineering perspective, I’m an accountant! Rather, I will keep it super simple. The hub uses straight cut gears which as a design is basically the same as you will find in a racing car. The reasoning for this is that enables the gear system to handle higher torque loads and operate at a higher level of efficiency. Simples!

A rathrer fancy test mule.

So why an internal hub design? Well, compared to traditional derailleurs, the fully enclosed system which sits in a sealed oil bath is nowhere near as vulnerable to damage from rock and ground strikes. Smack a rear mech in a crash and snap it and you are walking home. The same crash on a hub geared bike is far less likely to cause damage. Add to this a maintenance schedule that only calls for an oil change every 5000 kilometres, gear shifting even at a standstill and the ability to use pretty much any chain on the market and you have a system that promises to outlast traditional drivetrains by a considerable margin.

Is this the future?

So far, so good but if the advantages are so obvious, why aren’t we all riding them already? First and foremost is the issue of weight. This has always been the Achilles Heel of the various internally geared hubs that I have swung a leg over (Rolhoff, Pinion and Shimano Alfine 8 and 11 speed).  Jumping on a bike where the weight is concentrated at the back can feel a bit strange and can take some getting used to. Then there is the shifting design. Coming from trigger shifters, the twist grip style of shifter used by Rolhoff and Pinion can prove a step too far for some. However, probably the biggest barrier is an inability to shift under load. Panic shifts aren’t an option. You have to back off the power which is fine in theory but requires a fair bit of relearning and practice in order to perfect the technique. For some riders, the trade-offs just aren’t worth it. Collectively, these three main areas of concern have conspired to limit the appeal of internally geared hub designs. However, Kindernay reckons they have cracked the problem. (Ten points if you spotted that Kinder Egg pun! No? Just me? Auch, please yourselves! Tough crowd in tonight…)

There’s a LOT of engineering design in this picture.

So how does the Kindernay XIV shape up in the real world?

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Review Info

Brand:Kindernay
Product:XIV internal gear hub
From:ghyllside.co.uk
Price:£1350
Tested:by Sanny for One month

Comments (19)

    I like the idea. I’m a fan of hub gears and have no derailleurs on any bike.

    But if it’s noisy, it’ll share the fate of my Rohloff and get rarely used in favour of my Alfine 8.

    I really dislike a noisy bike.

    What’s stopping the gears being in the frame, the hub looks compact enough to fit in the bb area like the Honda dh bike? Then make it an e bike………

    What’s the test bike?

    Massive spacer stack aside, looks lovely!

    Hydraulically operated gears make me a bit nervous. If you crash and damage the hose, that’s it, gears gone. Although it is the same story with hydraulic brakes and we’ve all got those.

    Great review. I like the way you put the price first to get the shock out of the way 🙂

    The review says it’s a Salsa Timberjack Ti

    Though the review is only visible to subscribers so I probably shouldn’t have given you that info CFH 🙂

    1.4kg for a hub body isn’t all that far away from (for example) a Pro 4 hub (300g), GX Eagle cassette (452g) and GX Eagle derailleur (300). Maybe some more weight to add for the cage piece, but getting closer. .

    Its strange that the Alfine 8 manages with a single gear cable, yet the Rohloff and the Kindernay need two bulky cables. Especially as the Kindernay is hydraulic. And two shifters…less is definitely more when you have levers for dropper posts and suspension modes competing for bar space.

    I was interested enough in this when it was first promoted a couple of years ago to nearly put a deposit on one.
    You know what put me off – it’s only 28 spokes! I mean why? What’s wrong with 32 holes? Why purposefully reduce the rim options you can have. Bit frustrating really.

    The spokes are shorter, so that might be a reason, 28 may be enough.

    Maybe, but for me I’d want to have built it onto a Surly Rabbit Hole rim for my Krampus or Stooge.

    I’ve built wheels with Alfine hubs (32 or 36 holes) and Rohloff generally come in 32 holes.
    Limiting it to just 28 seems to add an extra level of faff to the process.

    I can see the design of their 7 hole disc links with the 14 spokes per side of the hub carrier, but would it have been too difficult to design it as an 8 hole disc with 16 spokes per side.

    Interesting. I might add it to the wish list but I rather think that’s where it’ll stay. My “shopping” bike has an Alfine 11 hub gear & I love it for practical everyday cycling (& winter training rides). However the price of the Kindernay is going to be a stopper for me (&, I’d guess, a lot of people). Even being able to move the hub between different wheels doesn’t save it, at £140 the cage thingey costs more than most real-world cassettes (no XX1 Eagles for this little boy, sadly).

    so i have created a profile and logged in just to be able to read the end of the story just to find out that it will not let me read anyway… 🙁

    has a number of neat features. i like the swapout system. how much are discs? how does the torque arm work – looks like a custom disc brake adapter, which also looks very neat?
    hydraulics though!? i have cable discs and cable operated seatpost ffs!

    The noise is at least in part the result of straight cut gears. There’s a good reason most car gearboxes use helical gears – they are quieter. (And also smoother as the gear Teeth always have more teeth in contact with each other than spur gears). Spur gears are also cheaper to make. A straight cut gear (spur gears is the correct term) are used in some race car gearboxes. And usually they howl like a banshee.
    And they also reduce the side load the gear exerts onto the casing (so removes the need to design in bearings to take the side load).
    So no surprise its noisy.

    Nice. Swap out hub design is clever but I really do wonder if it won’t start creaking over time. Those sort of interfaces usually do but maybe they’ve solved that.

    Gear change looks similar to Rohloff in design. It’s the one place on a bike where electric shifting seems like a good solution as their dual shifter hydro design really doesn’t seem like a step forward vs the gripshifters (though I didn’t mind them on either Rohloff or Pinion). The Alfine may work off a single cable but the attachment and mechanism feel like the weakest part of it to me (I’ve got an 8).

    Discs will be Ok – Hope make Rohloff discs for the same sort of price as any others they sell.

    Another Alfine 8 user – on e-cargo bike. The alfine was on MTB intitially but then we got clutch mechs and 1x chainrings and I haven’t missed the hub gears. Gearboxes will never match derailleur for efficiency, so no race wins for hub gears.

    Interesting review Sanny…wouldn’t have minded doing a comparison with my Jones SWB / A12 Rohloff or for a truer comparison on my Ti Stooge / 135rohloff!

    In my world noise (& weight) is relative. A Mugdock muddy chain and cassette is way noisier than the rohloff. As for weight…a bagel a day will soon out weight all weight weenie efforts (pun intended). Eat less, its free and the difference compared to a 1lb lighter bike is significantly more tangible.

    I’ve always built up my rohloffs on Light Bicycle carbon rims…they make 28 hole rims…would save even more weight!

    I might be tempted, I think Ben Cooper recently build one for a customer (I must have a chat with him)…with a bit of practise, I’d have thought it would probably be easier swapping out the hub onto a different wheelset than all the faff of changing tubeless tyres from ‘off-road’ duties to ‘commuting’ duties.

    It would be interesting to know what its life span is, and a comparison against how much you’d spend on conventional drive train parts over the same period. I appreciate that the cost reflects the R&D, tooling and manufacturing, but it is always difficult to justify an initial outlay of 4 figures for a part that is expected to wear and need replacing several times in the life of the frame.

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