ENDURO STAINLESS STEEL
TREK MADONE 1-1/8" x 1-1/2" BEARING KIT 1
Headset Bearing Kit--Upper and Lower Bearing

Sealed Stainless Steel bearings provide extra corrosion protection. The top bearing is our angular contact 1-1/8" bearing. The lower bearing is a proprietary oversized design with inner and outer race chamfers. Both bearings are all stainless construction. Includes both bearings.
FITS THE FOLLOWING:
--2008-2010 5 Series Madone frames
--2008-2009 6 Series Madone frames
--2008-2011 4 Series Madone frames