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Item number: 505.05.511XD-28

nineteen xc boost rearhub

356,00 €
Prices include. VAT. plus. shipping costs
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As soon as the item is available again, you will receive an e-mail from us.

Ships within 24 hoursShips within 24 hours
Millions installed worldwideMillions installed worldwide
Engineered in GermanyEngineered in Germany
Strong enough to be light. Our nineteen-xc-boost-rear-hub is built for everyone who refuses to compromise on the trail or at the race – and still knows it's the details that make the difference. Whether it's steep climbs, technical singletrack or the sprint to the finish line at an XC race – this hub keeps up without complaint. With a 19 mm oversized axle in Boost standard (148 mm), the rear wheel sits rock-solid in the frame: more stiffness, more direct power transfer, more explosive acceleration. The kind of snappy, lightweight feel that makes the after-work ride twice as fun – uphill and down. Inside, double-sealed stainless steel angular contact bearings keep things running smooth – even after hours on the trail, in any weather. Bearing preload can be adjusted quickly with the included TX6 tool – no workshop visit, no missed training session. The ratchet freehub system with 38 teeth delivers direct, lag-free engagement – you pedal, it goes. And if you ever swap your drivetrain: the freehub can be changed between Shimano Microspline, Shimano HG and SRAM XD at any time – no new hub needed. 

· 19 mm oversized axle

· Boost standard 12×148 mm

· Straightpull spoke interface

· Double-sealed stainless steel angular contact bearings

· Ratchet freehub with 38 teeth

· Freehub interchangeable

· Bearing preload easily adjustable

· Hub shell made from 7075 aluminium

· Hole count: 28 or 24

· Brake system: Disc 6-bolt

· nineteen-xc-boost-rear-hub

· Hub grease

· Internal hex tool TX6

You can find the installation instructions here:

Acros Sport GmbH

Benzstr. 58

71272 Renningen

Germany


E-Mail: info@acros-components.com

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In-house manufacturing

At the heart of the allroad wheelset are our nineteen hubs, manufactured at our headquarters in Renningen near Stuttgart. This is where we combine technical expertise with the highest quality standards and a clear focus on durability.

Let the riding do the talking

It doesn’t always have to be loud. Quite the opposite. The freehub of our rear hub can be adjusted to three different sound levels, so you can dial in exactly the sound that fits your ride. Add to that a subtle, all-black look: matte rims, glossy decals, clean branding. Let others shout — we’d rather let the grin on your face do the talking.

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Skip the workshop. Keep rolling

Whether it’s cobblestones, back roads, or endless miles far from civilization – the nineteen hub is built for durability and easy serviceability. If needed, the bearings can be replaced easily by yourself, without special tools and without detours to the workshop. With our DIY tool, your wheelset will be ready for new adventures in no time.

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FAQ