SHIMANO BB90  2009 HYBRID CERAMIC BOTTOM BRACKET BEARINGS 2 PIECES -  24 X 37 X 7MM, 2 PIECES
Replacing your creaky or pitted bottom bracket bearings with hybrid ceramic bearings has never been more affordable!
 Increase your pedaling efficiency compared to standard steel bearings.

Applications: BB92 bottom bracket, Trek Madone 2008, Shimano BB90,
KONA DR DREW (2008), FSA BB90 DOUBLE OR TRIPLE 2009, FSA  MEGA EXO TEAM ISSUE '08, KONA DR DREW (2008)

Kit does not include cups or seals.

Our ABEC 5 bearings feature beautifully ground chrome steel races which are harder and lower friction than stainless steel.

The balls are high quality Si3N4 (silicon nitride balls) and nylon cages, filled with Shell Alvania RLQ2 grease.
Rubber seals are pliable with just the right amount of preload to keep dirt out and rolling resistance low.

Kit includes sizes: SMR3724-2RS C3 (2pcs)

Seals may be blue or black depending on stock.

What some of our recent buyers are telling us about upgrading to our ceramic bearings:

  • I just installed my new bearings; Wow, what a difference!
  • Excellent upgrade! Great price! Thanks HubDoctor®
  • Excellent service, fast shipping, great price, the best ceramic bearings on Ebay!
  • Fast Shipping, Superb Quality, Purchase with confidence from this dude!!

Free shipping in the USA! Check out our other items,
Including our HubDoctor® Mavic® Freehubs Rebuild Kits

The cost-saving solution for rebuilding Mavic® cassette hubs.

See our other listings for the HubDoctor® Pro ceramic ball bearing freehub bushing replacement kit and our superior freehub replacement bushings!

Don't be dissuaded by the our affordable prices! These are quality ceramic ball bearings!