OneUp Components Dropper Post Replacement IGUS Bushing - V1 YGroup_7033697468461 They then used their findings

They then used their findings to develop a whole new rotor

Cons: It's not really big enough to fit a phone in there

The HELIX R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain

Waist Closure System / Fly / Size Adjusters: Front snap closure with adjustable waist tabs

but it’s not just professionals that can benefit from the quality tools and equipment they engineer

OneUp Components Dropper Post Replacement IGUS Bushing - V1 YGroup_7033697468461 They then used their findingsReplacement for worn upper bushing. V1 posts only. Upper Bushing Replacement: To replace the upper bushing follow the steps for greasing (see vid below) and when exposed simply spread the gap by hand and slide it off the upper tube. Once off, put the post in a mid dropped position and install the new upper bushing. The new upper bushing should be easier to reinstall.