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MR 2437 ABEC 3 Bearing
$8.00

DIM..... 24mm x 37mm x 7mm W
INT CONSTR....Caged
SEALS .......... "LLB"
BALL MATERIAL ..... Chromium Steel
BALL GRADE ...............10
RACES ............... Chromium Steel
APPLICATION .....Bottom Brackets
GREASE ....... Mobile HP 222

Out of Stock
    • Reliable durable low-cost high-value bearing
      I use these in two different bikes. One is a gravel bike running Holowtech II cranks, the other is a MTB with a GXP crankset (so the bearing only fits one side).  The durability and hardness of the bearing is really great.  If I keep an eye on keeping the seals free of grit and water intrusion, I get 5000+ miles of trouble-free performance.  These come pre-packed with a lithium-based grease which I like, as it is more resistant to "bleeding" from high pressures and high-torques applied.  It seems the lithium does a better job of repelling water/dirt than other greases.  If you have a steady hand, the seals can be carefully removed and reinstalled for grease repacking.  But at the great price for these, and the super low cost-per-mile of running these bearings, one wonders why you'd bother. 
      Gravel N MTB in Boston

      -

      Boston

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