Get your bike spinning faster with this affordable ceramic bearing upgrade for your BB90 compatible frame. This bearing kit is designed to be used with Hollowtech II cranksets.
Kit includes 2 ceramic hybrid bearings and 2 seals
Uses 2437 bearings - ID of 24, OD of 37 and 7mm wide
Grade 5 Si3N4 Silicon Nitride balls
52100 high carbon Chromium alloy races
Races receive 3 cryogenic treatments
"LLB" type 2-lip low-contact Nitrile Butadiene rubber labyrinth seals
Nylon/graphite retainer
Realube Special Ceramic Grade 374 Grease
Specifications
Bottom Bracket Shell Width (mm)
90, 95
Bottom Bracket/Frame Interface
BB90/95
Spindle Interface Type
Shimano Hollowtech II
Spindle Length (mm)
No Spindle
Tree Fort ID:
333222376828
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Reasonably priced way to convert BB90 crank bearings to ceramic. Includes the Trek specific seals - same manufacturer (Enduro) as OE on my bike.
Just be aware that these are Enduro's Grade 5 bearings, not their Grade 3 Zero bearings.