Threaded MTB ABEC-3 BB for 24mm Cranks (Shimano) - Black

Threaded BB Installation

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!

Precision Machined in the USA

 

$59.00
In stock
SKU
BB-MTB-1
  OR   Buy Online @
BICYCLEPARTSDIRECT.COM
  • 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
  • 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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