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Wolf Tooth BSA 24MM Bottom Bracket

Eugene Cech February 13, 2026

MPN: WBB-BSA-24-BLK

$129.95

Wolf Tooth’s BSA Bottom Bracket for 24 mm spindles

Only 1 left in stock – Ships today! (Friday)

The inside and outside of a red Wolf Tooth Bottom Bracket Tool.
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Wolf Tooth BSA 24MM Bottom Bracket

The Wolf Tooth BSA 24MM Bottom Bracket is made for BSA bottom bracket shells and 24 mm crankset spindles. It combines best-in-class sealing with low-friction performance and features custom chrome-steel bearings for long-lasting smoothness. Wolf Tooth machines and assembles their bottom brackets at their HQ in Minnesota, resulting in exceptional quality. This bottom bracket is compatible with both 68 mm road and 68/73 mm mountain bike frames that use a BSA English threaded bottom bracket shell. It requires a standard 16 notch, 44 mm bottom bracket tool to install. In addition, Wolf Tooth supplies 2x 2.5 mm shell spacers. They also supply the following spindle spacers: 2x 0.5 mm, 2x 1 mm, 2 mm, 3 mm and 5 mm.

 

Key Features

  • Lightweight Design: Carefully CNC machined aluminum parts keep weight to a minimum.
  • Robust Sealing: A combination of o-rings, seals, gutter seals and a unique end cap keep dirt and water out, keeping pedaling smooth no matter the conditions.
  • No-Creak Bushing: Custom polymer spindle bushings eliminate metal-on-metal contact, a common cause of nuisance creaks.
  • Replaceable Parts: Wolf Tooth firmly believe in the right to repair and as a result each individual part is replaceable from Wolf Tooth.

Compatibility

  • Shell: Compatible with BSA (English) threaded bottom bracket shells that are between 68-73 mm wide.
  • Crankset: Fits any crank using a 24 mm spindle. This includes all Shimano Hollowtech II cranksets.

Specs

  • Shell Width: 68 mm Road | 68/73 mm MTB
  • Shell Type: English Threaded
  • Threading: BSA
  • Spindle/Axle Diameter: 24 mm
  • Weight: 83 grams
  • Cup Material: Aluminum
  • Bearing Material: Hardened chrome bearing steel
  • Shell Spacers: 2x 2.5 mm
  • Spindle Spacers: 2x 0.5 mm, 2x 1 mm, 2 mm, 3 mm, 5 mm

Tools Needed for Installation

You will need the following tool for installation of this product:

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