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BB-MTB-1

Black - Shimano Compatible w/ Steel Bearings, BB Shell for MTB

Ready To Ship In: 2-5 Days
Ships To: Worldwide
Returns: 60 Day Free Returns

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External English (BSA) threaded bottom bracket for 73mm shells. We use only Enduro bearings and silicone seals for the most durable and smoothest bottom brackets available. Fully serviceable.

Includes:

  • (2) - Enduro Silicone dust seals
  • (1) - 2.5mm aluminum BB cup spacers for use with 68mm wide BB shell
  • (1) - 1.8mm aluminum BB cup spacers for use with 68mm wide BB shell
  • (1) - 0.7mm aluminum BB cup spacers for use with 68mm wide BB shell
  • (2) - 0.5mm crank spindle spacers
  • (2) - 1.0mm crank spindle spacers

 

Direct replacement for Shimano HollowTech II bottom brackets!


Bearings
Enduro ABEC-3
Color
Black
Bottom Bracket/Frame Interface
ISO/English or BSA Threaded (1.37 in x 24 TPI)
Bottom Bracket Shell Width (mm)
68-73mm
Bottom Bracket Shell I.D.
33.6-33.9 mm
Crank Spindle Type
HollowTech II (Shimano, FSA, Etc.)
Crank Spindle Diameter
24mm
Weight
105g
Quantity
1 SET/ BOX

- Packaged for retail display


Compatible with the following Bottom Bracket Standards:

  • ISO/English or BSA Threaded (1.37 in x 24 TPI)
  • 73mm BB Shell Width

Compatible with the following cranksets with 24mm spindle diameter:

  • Shimano HollowTech II
  • FSA
  • RaceFace EXI, X-Type, MegaExo
  • Rotor 3D, Agilis

Enduro Bearings

Enduro ABEC-3 Bearings

Grade 10 Chromium Steel Balls:

High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level.

52100 High Carbon Chromium Alloy Races:

Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.

Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance


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