Shimano BB-MT500-PA Press Fit Mid Hub 89.5-92mm 21V53000057

Shimano BB-MT500-PA Press Fit Bottom Bracket (89.5–92 mm) – Hollowtech II Compatible

Model Code: 21V53000057

The Shimano BB-MT500-PA is a top-tier Press-Fit bottom bracket system developed for MTB users, offering both highly efficient power transfer and durability. Based on Shimano's HOLLOWTECH II technology, this bottom bracket provides both high rigidity and smooth pedaling performance thanks to its wide-spaced bearings.
With its compatibility with Deore series and 24mm axle Hollowtech II cranks, it is a reliable upgrade or replacement part.

Key Features

• Press-Fit (41 x 24 mm) mounting — perfectly compatible with modern MTB frames.

• HOLLOWTECH II technology — lightweight, rigid and efficient power transmission.

• Wide bearing configuration — more stable, longer-lasting use.

• 24mm axle compatibility — perfectly compatible with Deore and many other Shimano cranksets.

• Ideal option for frame widths of 89.5 / 92 mm.

• Lighter weight and easier installation thanks to the plastic sleeve and bushing structure.

Technical Specifications

• Usage: MTB

• Material: Aluminum body + plastic casing

• Mounting Type: Press-Fit (41 x 24 mm)

• Compatible Frame Width: 89.5 mm / 92 mm

• Axle Diameter: 24 mm (Hollowtech II)

• Technology: Shimano HOLLOWTECH II

• Weight: ~72 g

Compatible Crank Models

• Deore/Altus/Acera/MT Series

  • FC-M617, M6000, T6010, M4100

  • M5100, M6100, M6120, M6130

  • M4050, M4060

  • M627, MT200, MT210, MT300, MT500

  • MT510, MT511, MT610

Scope of Delivery

• 1 x Shimano BB-MT500-41B left bearing

• 1 x Shimano BB-MT500-41B right bearing

• 1 x 89.5 mm inner bearing housing

• 1 x 2.5 mm spacer

Who is it ideal for?

• MTB users with Press-Fit bottom bracket system

• Those using Shimano Hollowtech II 24mm axle cranks

• For those looking for a quiet, smooth, and long-lasting bottom bracket.

• Those who want to upgrade to Deore or higher-end Shimano sets