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Ceramic Cartridge Bearing Kit For Truv/Sram/GXP BB's (BB4438)

Ceramic cartridge bearings for replacing Bottom Bracket Bearings.
  • Note: all these bearing kits have larger 5/32" balls for a net load increase of over 20%
  • 52100 high carbon Chromium alloy races
  • Nylon/graphite retainer
  • ABEC 5 precision cartridge bearing
  • Races receive 3 cryogenic treatments
  • Realube Special Ceramic Grade 374 Grease
  • Kits include bearings and seals to rebuild one bottom bracket
  • Grade 5 Si3N4 Silicon Nitride balls
  • "LLB" type 2-lip low-contact Nitrile Butadiene rubber labyrinth seals Nylon/graphite retainer
  • Left bearing uses Enduro's special combination bearing spacer/reducer/seal
  • TL8901 Recommended for bearing installation and removal, see also TL8902 for cup installation and removal
Item Specifications
Bearing I.D.24
Bearing O.D.37
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