If you want to sharpen handling and extend service life, the Serpent 600640 Rear Shock Shaft is a direct-fit upgrade for the 811 2.0. These shafts are built to deliver consistent performance under race conditions while improving ride feel.
The Serpent 600640 shafts are produced with tight tolerances to ensure smooth movement and dependable wear characteristics. That precision helps your shocks perform consistently lap after lap, reducing play and improving control in fast sections.
Designed specifically for the 811 2.0, this shaft set installs without modification and fits standard rebuild procedures. You can swap them in quickly during pit maintenance to restore suspension responsiveness.
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