Wheels Manufacturing BB86/92 Outboard Bottom Bracket (24mm Cranks) (Shimano) (Angular Contact)

Wheels Manufacturing
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The new Wheels Manufacturing BB86/92 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement.

Directly replaces all OEM BB86/92 bottom brackets.

Note: Use only bottom bracket tools compatible with 16-notch MegoEvo BBís. (FSA MegaEvo and Park Tool BBT-29).


  • Bearings: Enduro Angular Contact
  • Color: Black
  • Bottom Bracket/Frame Interface: BB86, BB92
  • Bottom Bracket Shell Width (mm): 86mm, 92mm, 89.5mm
  • Bottom Bracket Shell I.D.: 41mm
  • Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI
  • Crank Spindle Diameter: 24mm
  • Weight: 98 g

Enduro Angular Contact Bearings:
In standard radial bearings, only 3 or 4 balls make contact during the load, at any given time. In Angular Contact (A/C) bearings, ALL balls are engaged and spread the force over a larger surface area, to decrease friction, and minimize wear.
Grade 10 Chromium Steel Balls:

High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at itís highest level. Filled with Rheolube special synthetic grease formulated in the USA, the balls are micro-coated with long lasting protection from friction. "LLB" dual lip groove seals and another external seal with dual lips on both sides and made from the best Silicone material guards from water and dirt penetration.

Required tools: Park Tool Double End BB Wrench, 16-notch (WRENCH-BB48-39)

This product was added to our catalog on December 1, 2015.