Chris King’s new Centerlock Boost MTB hubs use a brand new axle and driveshell design which replaces the older (discontinued) version which includes the following Driveshell part numbers used to switch from say Shimano HG to SRAM XD:
PHB545
PHB546
PHB581
PHB582
PHB584
PHB585
These part numbers are no longer available and have been replaced with a new design of Driveshell which only works on the redesigned Boost Centerlock axle.
So if you have a Boost Centerlock rear hub and need to change from say Shimano HG to SRAM XD, you can do so with just this driveshell.
Specifications:
– Steel or Ceramic Bearing.
– Shimano HG, SRAM XD or MicroSpline.
– Driveshells are now all Aluminum (No stainless options) and available in black or silver.









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