replacements

  1. M

    Upgraded Cush Drives

    We're beginning to see and hear of multiple cush drive failures, and are proud to announce these new higher quality USA made replacements for the RC390 and 390 Duke. Better fitment reduces drive line lash. Better material increases durability. MNNTHBX - Enter
    • MNNTHBX
    • Thread
    • announce beginning cush drive drives duke durability failures fitment hear increases lash line material multiple proud quality rc390 reduces replacements upgraded usa www.mnnthbx.com
    • Replies: 1
    • Forum: MNNTHBX
  2. Formula390

    Ride Height Adjusters for streetbike forks

    Ride Height Adjusters for the RC390 are in. These adjusters are direct swap replacements with the stock fork tube caps, and allow for up to 9mm of spring preload! To purchase, head on over to: Formula390 - Parts
    • Formula390
    • Thread
    • 9mm ability adjust adjusters caps direct fork forks head major missing preload purchase replacements solution spring springs stock streetbike suspension swap tube
    • Replies: 7
    • Forum: Formula390
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