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Small Ceramic Bearing for Chris King Front and Rear R45 hubs and Boost CL rear non drive. 

We guarantee to you that each Chris King bicycle component you buy from us is absolutely brand new with full warranty, and that we are an authorized Chris King dealer.

Genuine factory replacement part.

For diagrams of Chris King hub parts and a wealth of other information, see the Chris King website.

American made in USA (U.S.A.)


PHB729

Chris King Small Bearing Front and Rear R45, Rear Non Drive Boost CL - Ceramic- PHB729






Availability and stock levels vary by color & specification, please check each color below for stock information.

Small Ceramic Bearing for Chris King Front and Rear R45 hubs and Boost CL rear non drive. 

We guarantee to you that each Chris King bicycle component you buy from us is absolutely brand new with full warranty, and that we are an authorized Chris King dealer.

Genuine factory replacement part.

For diagrams of Chris King hub parts and a wealth of other information, see the Chris King website.

American made in USA (U.S.A.)

  • AVT.Bike is an authorized Chris King® dealer and proud to carry one of the largest selections of Chris King products available online and shipped anywhere in the world.
  • Chris King components including hubs, headsets and bottom brackets are available in 9 stock colors.
  • LIFETIME Warranty on all Chris King products.
  • Other colors and product options are available depending on stock levels, so if you don't see the color or exact product you are looking for please contact us.
  • If you have any technical questions at all on Chris King products please contact us and we'll be pleased to help you out!
  • All Chris King products are responsibly manufactured in Portland, Oregon, USA.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)