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Air filters

The Jitsie air filter offers a dual-foam design with a foam rubber seal around the rim of the filter. To achieve the full advantage of the greased seal, clean any excess grease from your air filter box. Prepare the air filter as normal, but spare the task of dipping a finger in a tub of diaper rash grease. Installation is easy as the air filter fits the stock filter cage without a problem. No matter how bad or dusty the conditions are, just pull out the Jitsie filter and see how it keeps the dust and dirt out of the engine. The Jitsie foam rubber seal will pass any test with flying colors!

  • Air filter box bolt - Beta Sincro Air filter box bolt - Beta Sincro

    Air Filter Box Cover Bolt - Beta Sincro

    This Jitsie air filter box cover bolt replaces the original steel M8 hex bolt on the Beta Sincro air box cover with a CNC machined aluminium alternative. The design integrates the bolt and collar into a single piece and features a Torx T25 head —...

    $29.99
    Add to Cart
  • 2026 Beta Sincro 2T

    Air Filter Beta Sincro 2T

    Twin Air 2026 Beta Sincro 2T washable and reusable – reusing a Twin Air filter 30 times is common dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed flame-retardant foam layer laminated to the...

    $24.99
    Add to Cart
  • Pre-oiled Twin Air filter - TRS

    Pre-oiled Twin Air filter - TRS

    OEM pre-oiled Twin Air filters for a TRS trials bike.  Features:* washable and reusable (reusing a Twin Air filter 30 times is common)* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed* minimized...

    $29.99
    Add to Cart
  • Pre-oiled Twin Air filter '23 Gas Gas

    Pre-oiled Twin Air filter - Gas Gas 23+

    OEM pre-oiled Twin Air filter for a 2023+ Gas Gas trials bike.  Features:* washable and reusable - reusing a Twin Air filter 30 times is common* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed*...

    $29.99
    Add to Cart
  • Pre-oil Twin Air filter - Gas Gas

    Pre-oiled Twin Air filter - Gas Gas

    OEM pre-oiled Twin Air filter for a Gas Gas trials bike.  Features:* washable and reusable (reusing a Twin Air filter 30 times is common)* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed* minimized...

    $29.99
    Add to Cart
  • Pre-oiled Twin Air filter - Beta Evo

    Pre-oiled Twin Air filter - Beta

    OEM pre-oiled Twin Air filter for a Beta trials bike.  Features:* washable and reusable - reusing a Twin Air filter 30 times is common* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed* minimized...

    $29.99
    Add to Cart
  • Pre-oiled Twin Air filter - Beta 50/80

    Pre-oiled Twin Air filter - Beta 50/80

    OEM pre-oiled Twin Air filter for a Beta trials bike.  Features:* washable and reusable (reusing a Twin Air filter 30 times is common)* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed* minimized...

    $29.99
    Add to Cart
  • pre-oiled Twin Air filter - Montesa

    Pre-oiled Twin Air filter - Montesa

    OEM pre-oiled air filter for a Montesa trials bike. Features:* washable and reusable (reusing a Twin Air filter 30 times is common)* dual-layer foam made to Twin Air specifications, with cells that are evenly sized and distributed* minimized seams made...

    $29.99
    Add to Cart