Noken MRP Valve Cap for Fox 38 Mrp

The Noken MRP is a spring upgrade that increases air spring volume, reducing the compression ratio and creating a more linear spring curve that mimics the comfortable feel of a coil spring. By enlarging the air chamber space above the crown, the Noken increases spring volume by the equivalent of 1.1 Bottomless Tokens in RockShox Zeb and RockShox 35mm forks, or 1.5 volume spacers in Fox 38 forks. This simple improvement answers a major challenge for many users of long-travel Forks: finding the right balance between a smooth initial stroke, strong mid-stroke support and full utilization of the fork's travel. With Noken, you can optimize this perfect trio.

Recent developments in air spring design have focused on increasing the negative volume of the air chamber to improve sensitivity to small bumps. A larger negative volume lowers the initial spring rate, enabling the suspension to better absorb small track imperfections and improve overall sensitivity. However, on the flip side, a larger negative chamber can reduce positive volume, making the fork progressively stiffer at the end of travel and preventing you from using your full travel.

This is where the Noken shines. It lets you enjoy the benefits of greater negative air volume without the usual compromises. With the Noken, you can preserve small-bump handling and mid-stroke support, while recovering the travel that's usually lost due to the abrupt, abrupt progression of some standard air springs.

The Noken is 10-13 mm higher than standard shock control knobs, so it's important to check downtube clearance before installation. See MRP's clearance guidelines or download 3D printable files (Zeb/RS 35 and 38) to help you with this step. In addition, you can use the new Riser Crown Race to create the necessary clearance, available as a HighRise (+10mm) or LowRise (+5mm) option.

Details :

• RockShox Zeb fork compatible.

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