GSI AH50 Hub V2 50 mm – Anodised Hub Extension

Brand: GSI
Hub de extensión GSI AH50 V2 de 50 mm en aluminio billet 6061 anodizado para sim racing
Cuerpo mecanizado por CNC del hub GSI AH50 V2 con patrón PCD de 70 mm
Detalle de los 50 mm de longitud de la extensión de buje GSI AH50 V2
Cara roscada del hub GSI AH50 V2 preparada para tornillos M5
Cara lisa sin roscar del hub de extensión AH50 V2 de GSI
Acabado anodizado y canteado del hub de extensión GSI AH50 V2
Patrón de seis taladros del hub de extensión GSI AH50 V2
Perfil del hub de extensión GSI AH50 V2 en aluminio 6061
Extensión de buje AH50 V2 de GSI para volantes de sim racing
Detalle del mecanizado CNC del aluminio billet del hub AH50 V2
Hub GSI AH50 V2 mostrando sus 82 mm de diámetro exterior
Acabado anodizado del hub de extensión GSI AH50 V2 de 50 mm
Taladros M5 sobre círculo de 70 mm del hub GSI AH50 V2
Cuerpo macizo de aluminio del hub de extensión GSI AH50 V2
Extensión de buje GSI AH50 V2 vista desde su cara de montaje
Hub de extensión de 50 mm GSI AH50 V2 en acabado anodizado
Detalle constructivo del hub GSI AH50 V2 en aluminio billet 6061
Extensión de buje AH50 V2 de GSI de 0,1 kg para cockpits compactos
Hub de extensión GSI AH50 V2 de 50 mm en aluminio billet 6061 anodizado para sim racing
Cuerpo mecanizado por CNC del hub GSI AH50 V2 con patrón PCD de 70 mm
Detalle de los 50 mm de longitud de la extensión de buje GSI AH50 V2
Cara roscada del hub GSI AH50 V2 preparada para tornillos M5
Cara lisa sin roscar del hub de extensión AH50 V2 de GSI
Acabado anodizado y canteado del hub de extensión GSI AH50 V2
Patrón de seis taladros del hub de extensión GSI AH50 V2
Perfil del hub de extensión GSI AH50 V2 en aluminio 6061
Extensión de buje AH50 V2 de GSI para volantes de sim racing
Detalle del mecanizado CNC del aluminio billet del hub AH50 V2
Hub GSI AH50 V2 mostrando sus 82 mm de diámetro exterior
Acabado anodizado del hub de extensión GSI AH50 V2 de 50 mm
Taladros M5 sobre círculo de 70 mm del hub GSI AH50 V2
Cuerpo macizo de aluminio del hub de extensión GSI AH50 V2
Extensión de buje GSI AH50 V2 vista desde su cara de montaje
Hub de extensión de 50 mm GSI AH50 V2 en acabado anodizado
Detalle constructivo del hub GSI AH50 V2 en aluminio billet 6061
Extensión de buje AH50 V2 de GSI de 0,1 kg para cockpits compactos

GSI AH50 Hub V2 50 mm – Anodised Hub Extension

Brand: GSI
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3-year warranty

3-year warranty

Shipping within 24/48 hours

24/48 hour delivery (Iberian Peninsula)*

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*More information in Shipping Policy.

The GSI AH50 V2 is a 50 mm hub extension in 6061 billet aluminium for sim racing, with a 70 mm PCD pattern on both faces and available in six anodised finishes.

Its job is to correct the distance between the wheelbase and the wheel without touching anything else in the rig. When your seating position is almost right but the wheel sits two or three centimetres too far from your chest, half a hub solves what the AH100 overcorrects. Being a solid CNC-machined part, it adds separation without introducing play or flex in the column.

Key features of the GSI AH50 V2

  • Gains 50 mm of distance between base and wheel without changing the rest of your setup.
  • 70 mm PCD pattern on both faces, compatible with most direct drive wheelbases and sim racing wheels on the market.
  • One threaded face and one plain face: mount it whichever way round suits where the thread sits in your assembly.
  • Solid 6061 billet aluminium body, CNC machined.
  • Outer diameter of just 82 mm and 0.1 kg: it stays out of the way in tight cockpits.
  • Six anodised finishes: black, red, blue, gold, green and purple.

Technical specifications

Specification Value
Extension length 50 mm
Bolt pattern (PCD) 70 mm on both sides
Hole type One threaded face / one non-threaded face
Hub diameter 82 mm
Material CNC-machined 6061 billet aluminium
Finishes Black, red, blue, gold, green and purple (anodised)
Weight 0.1 kg
Manufacturer warranty 12 months

Compatibility

  • Fits any sim racing wheel or wheelbase using the 70 mm PCD pattern, the high-end standard.
  • Designed around GSI wheels, but not limited to them.
  • No electronics involved: no cables to route, no firmware, no software configuration.
  • If your quick release uses a PCD other than 70 mm, you will need an intermediate adapter.

Frequently asked questions

Should I choose the AH50 or the AH100?

It depends how much you need to correct. The AH50 adds 50 mm and is the logical choice when the wheel only needs to come two or three centimetres closer, or when the cockpit is compact. The AH100 doubles the length and suits rigs where the base sits clearly far away or low. Material, bolt pattern and fixing system are identical.

Will it fit my wheelbase and wheel?

Yes, provided both use the bolt pattern on a 70 mm diameter circle, which is the standard on virtually every high-end direct drive wheelbase and on the wheels designed for them.

Why one threaded face and one plain face?

So you can mount it in any combination. The threaded face takes the bolts directly; the plain face lets the bolts pass through into the thread on your base or quick release. That way the hub fits whether the thread is on the base or on the wheel.

Does it affect force feedback?

The 0.1 kg of the part is irrelevant against the whole assembly and solid aluminium does not flex. The only noticeable effect is that the wheel sits slightly further from the shaft, which marginally increases leverage; at 50 mm this is minimal and a small gain adjustment sorts it.

Which colour should I pick?

It is purely cosmetic: the six anodised finishes share the same mechanics, material and weight. Black disappears into any build; the rest are used to match the colours of the cockpit or the wheel.

What warranty does it carry?

GSI provides a 12-month manufacturer warranty from the date of purchase on all its products. At Simufy we handle the claim for you as distributor, with specialised technical support.

Buying your hub extension from Simufy means buying with full guarantees

  • Official premium sim racing distributor in Spain and Portugal — over 70 brands
  • The only Official Fanatec out-of-warranty Repair Centre in Europe
  • Simucube Premium Reseller — one of only four in Europe
  • Shipping from our own 5,000 m² warehouse and Barcelona showroom
  • Specialised technical support and official warranty on every product
  • Tailored financing: leasing and renting available

Frequently asked questions

A pre-order product is not yet available for immediate delivery, but it is on its way and can be reserved in advance before its official availability. This guarantees you will get the product as soon as it is in stock. We recommend pre-ordering to make sure you don't miss out on a unit and have to wait for the next batch.

Availability dates for pre-order products are shown on the corresponding product page and also in our #pre-orders channel on Discord: https://discord.gg/simufy

When a product is in stock, it is available in our warehouses and can be shipped immediately after you place your order.

Absolutely. The products we offer are carefully selected to meet high quality standards. This ensures that the materials used are durable, safe and suited to their intended purpose.

Check the product page. It usually shows a message indicating availability, such as "Ships immediately" or the number of units available. If the product is not in stock, one of these statuses is usually shown: - Sold out: no units are available and you may have to wait for a restock. - Pre-order: the product can be reserved before it arrives at our warehouse.

No, every order is sent as a single shipment. If an order contains both in-stock and out-of-stock items, it will ship as soon as all of its items are in stock. If you want to receive the in-stock items right away, you will need to place separate orders or ask us to charge an additional shipping fee.

VISA or Mastercard credit cards, PayPal, Aplazame, Klarna or bank transfer.

Simufy gives every customer the option to defer payment for any or all of their orders through the financing providers Aplazame or Klarna.

Klarna offers financing for orders of up to €1,500, in up to 3 interest-free instalments.

Aplazame offers financing for orders of up to €3,000, in up to 24 instalments with interest. The down payment and subsequent instalments are fully flexible and up to you.

Yes, as long as the product is received in the same condition in which it was shipped. The refund will be issued after the returned product has been manually inspected and approved, using the same payment method used for the purchase. For more information, see our Returns Policy.