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Item number: 590.02.500R1-28

nineteen enduro boost front hub

165,00 €
Prices include. VAT. plus. shipping costs
delivery time 1-3 business days
1
Ships within 24 hoursShips within 24 hours
Millions installed worldwideMillions installed worldwide
Engineered in GermanyEngineered in Germany
The nineteen Enduro Boost front hub is engineered to deliver maximum steering precision and confidence on the most demanding trails. Whether you're carving berms, navigating rock gardens, or charging through technical sections, it provides the stiffness and reliability needed for complete control.

A 19 mm oversized axle running on specially optimized stainless steel angular contact bearings forms the heart of the hub. Combined with the lightweight 6061 aluminum hub shell, this design delivers exceptional stiffness without unnecessary weight.

The Boost 110 mm standard further increases front-end stiffness for more precise steering and improved line holding. Double-sealed bearings keep dirt and moisture out, while bearing preload can be adjusted easily using the supplied TX6 tool.

Lightweight, precise, and built for uncompromising control on every ride. 

⦁ Mounting width - 15 x 110 mm thru-axle (boost standard)

⦁ Number of holes - 28

⦁ Brake system - 6-hole disc

⦁ Type - J-Bend

⦁ Weight - 145 g

⦁ Hub Body Material - Aluminum

⦁ Bearings - Stainless steel angular contact ball bearings

⦁ Flange Spacing (left/right) - 28/41

⦁ Pitch circle diameter (left/right) - 56/42

⦁ Spoke hole diameter - 2.6 mm

⦁ Crossings (left/right) - 3-times/3-times

⦁ Nineteen enduro boost front hub

⦁ Hub grease "no stop" 5g

⦁ TX6 Internal Multi-Tooth Tool

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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ride more, worry less!

Built to Last.

acros-enduro-hub-mood-3

ride more, worry less!

Built to Last.

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In-house manufacturing

At the heart of our product line are our nineteen hubs, manufactured at our headquarters in Renningen near Stuttgart. Here, we combine technical expertise, the highest quality standards, and precision manufacturing with a clear focus on durability. The result is hubs that impress with their reliability, efficiency, and long-lasting performance.

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

The acros nineteen enduro boost hub is designed for demanding enduro and trail riding. Its 19 mm axle, high-quality angular contact bearings and precision ratchet freehub system combine low weight with outstanding stiffness and long-term reliability.

⦁ 19 mm axle for maximum stiffness ⦁ Designed for cross-country and trail riding ⦁ Freehub sound adjustable in three levels – from quiet to loud ⦁ 38-tooth ratchet freehub system ⦁ High-quality stainless steel angular contact bearings ⦁ Quick and easy bearing preload adjustment 
We offer our mountain bike hubs in almost all common axle widths and standards, so there is a good chance that we have a hub that fits your bike. Please note, however, that we do not offer Super Boost hubs. Our rear hubs are designed for a 148 × 12 mm (Boost) axle standard. We do not offer the 157 × 12 mm Super Boost version. We recommend comparing the specifications provided by your frame or fork manufacturer with our technical data. If you are unsure which hub standard you need, we will be happy to help. 
Boost is a modern axle standard for mountain bikes. It uses wider hub spacing—110 mm at the front and 148 mm at the rear—which allows for a wider spoke bracing angle. This increases wheel stiffness and improves stability, especially on demanding trails and with modern frame geometries.

The Boost standard also provides additional clearance for wider tyres and an improved chainline. 
No. The Boost standard is a fixed hub design and cannot be converted to a different axle standard. A Boost hub will always remain a Boost hub.

However, the freehub body can be exchanged to match different drivetrain systems. The hub is available with Shimano or SRAM-compatible freehub bodies. A Campagnolo-compatible freehub body is not available for this hub. 
Our hub shells are manufactured from high-quality aluminium with exceptional precision. Each hub is CNC turned and CNC machined to achieve tight tolerances and its distinctive appearance.

The hub is then polished to a high-gloss finish before receiving a deep black glossy anodised coating. This premium anodised surface not only creates its striking appearance but also provides excellent protection against corrosion, abrasion and environmental influences, ensuring long-lasting durability even under demanding riding conditions. 
wheels are highly technical components, and with the wide range of standards, dimensions and compatibility options, choosing the right setup can sometimes be challenging.

If you have any questions or need assistance, feel free to contact us. We're always