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Racers Choice SIR Isolates the spring from the shock in 3 locations, allowing the shock to compress independently from the spring.

  • Rc-50-12-"O" fits: Ohlins Flow, WP46mm PDS, WP46mm Exp, Sachs shocks.
  • Fits shock spring pre-load collar OD 58.5mm.
  • No moving parts to maintain.
  • This part dose not use any lubrication so it dose not attract dirt. 
  • Is compatible with springs that do not exceed 86.2mm OD.
  • An SIR increases traction and creates a smoother ride by allowing the shock to react to the terain.
  •  Because the spring is free to move independently it dose not transmit the tortion load threw the shock preload ring during spring compression.
  • SIR inner ring can be easily machined to adapt to other shocks.
  • Designed / Made in the USA by Racers Choice Suspension.

 

Spring Isolation Ring " S.I.R. " Part#. RC-50-10-"O"

$68.00Price
Quantity
  • Once package is opened and or item has been used item cannot be returned.

    Customer pays all return shipping.

    Any refund is up to the discretion of Racers Choice and may be partial or whole but never exceed the original cost of item in question.

  • All orders $200 or more will receive free shipping in the continental USA.   Parts Only; Excludes forks or shocks.

    All orders $199 or less will be charged a flat fee of $20 to ship with in the continental USA.

    Orders to other countries or out side the continental USA will be based apon actual shipping costs and will very by location and package size , weight.

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