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Lug Bolt Ball Seat Eibach M12x1.5

Eibach ball seat wheel bolt (round seat r:12), M12x1.5 thread, 28 mm length under head, 17 mm wrench size. Part number S1-5-12-50-28-17, sold individually.

Brand EIBACH
Reference S1-5-12-50-28-17
€19.55 (VAT incl.)
€21.72 -10%
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Available from the manufacturer 2 in stock at factory
  1. Order today
  2. Preparation at the manufacturer
  3. Delivery Thu 22 Oct
Estimated delivery on 22/10/2026
This lead time is an estimate and may change due to circumstances beyond our control
This product qualifies for free STANDARD shipping!*
Small product: up to 250 g Free delivery with Colissimo Points de retrait

Eibach ball seat wheel bolt (round seat r:12), M12x1.5 thread. Made in Germany.

  • Reference: S1-5-12-50-28-17
  • Thread / pitch: M12x1.5
  • Length under head: 28 mm
  • Installation tool: 17 mm wrench size
  • Sold: individually, select the quantity you need

Choosing your hardware

The seat shape, or bolt seat, is critical. There are two main categories: conical (cone-shaped) and spherical (like a half ball). Most aftermarket wheels, meaning non-original wheels, must be fitted with conical seat bolts or nuts.

The length under head depends on the thickness of the wheel spacer fitted. For example, with an original length under head of 37 mm and a 20 mm wheel spacer, you can choose a length under head of 57 mm. For more information, contact customer service.

Warning: for safety reasons, hardware cannot be taken back or exchanged. Photos are for illustration only: the delivered product may vary and will match its description.

Product family Wheels
Wheel Lug Bolts / Lug Nuts
Thread M12x1.5
Length under head 28
Wrench 17mm Wrench

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