MarshGuard FCK Flats Tire Insert

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Delivery time to United States 11-12 days

  • Description
  • Fact Sheet
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Description of MarshGuard FCK Flats Tire Insert

Foam Core Kinetics is Marshguards revolutionary new tyre insert. Designed to help protect your rims and tyres. Engineered using high density foam and tested on World Cup DH circuit – with multiple wins! Comes as 29″ and can be easily cut to fit 26″ & 27.5″. Simple fitting instructions.

The highlights of the FCK Flats tire insert:

  • Specifically made of high density foam
  • Race proven in Downhill World Cup - proven by several victories
  • Low weight (104g for 29")
  • Protects your tires and rims
  • Minimum sealant absorption
  • Dampens strong impacts
  • Suitable for 2.35-2.6 tires and 25-35mm rims (outer width)

FCK Flats Installation Guide:

  • 1) It is best to start with a new tyre
  • 2) Cut FCK Flats® to size and join with provided velcro
  • 3) Install one side of the tyre bead, then install FCK Flats® into the tyre
  • 4) Remove the valve core from your tubeless valve
  • 5) Install the second bead, being careful not to over stretch the tyre
  • 6) Re-fit valve core and inflate tyre to seat both beads
  • 7) Once seated, deflate tyre and remove valve core
  • 8) Press the tyre down to ensure FCK Flats® is flat and sitting evenly on the rim (see note)
  • 9) Squirt tubeless sealant in through the valve stem and refit the valve core
  • 10) Inflate tyre and spin the wheel to check the tyre is running straight, if not, deflate and repeat step 8.

Please note: If the FCK Flats® is not sitting correctly then work the tyre until it sits flat. It is very important the FCK Flats® is sitting flat and evenly inside the tyre.
  • Description
  • Fact Sheet
  • Ratings (1)

Fact Sheet of MarshGuard FCK Flats Tire Insert

Product Name: MarshGuard FCK Flats Tire Insert
Manufacturer: MarshGuard
Item Code: MGD408231
Year: 2019
Weight: approx. 104 gram (at 29" | manufacturer's specs)
Included in delivery: 1 FCK Flats tire insert
  • Description
  • Fact Sheet
  • Ratings (1)


(1 Ratings)
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Customer Reviews
Ich habe die Flats auf diversen Felgen von e*13, RaceFace und Spank montiert, mit Reifen von Maxxis und Kenda.
Auf Felgen mit 30mm Innenbreite und einem Maxxis in WT fast nicht montierbar... Aber wenn die Einlage einmal drin ist und der Reifen auf der Felge, ist der Schutz ne Wucht. Keine Durchschläge mehr und auch bei Reifenpanne mit Druckverlust lässt sich die Sektion immer noch flott zu Ende Fahren. Nach einem Jahr sehen die Flats ziemlich mitgenommen aus, aber lieber ersetze ich diese, als bei einem Rennen zu schieben oder Dellen in der Felge zu haben!
Bisher beste Montage war auf einer 35mm Spank Oozy 395 mit Kenda Hellkat 27,5 2,4 AGC.
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