Short Description
The Shimano Deore BB-MT501 Hollowtech II Bottom Bracket delivers smooth, efficient and reliable performance for mountain bikes with 68 mm or 73 mm threaded bottom bracket shells. Improved sealing helps protect the bearings from dirt and moisture for dependable performance in demanding riding conditions.

Key Features

• Hollowtech II Compatible: Designed for Shimano Hollowtech II two-piece cranksets with 24 mm axles
• Improved Sealing: Helps protect the bearings from water, dirt and contamination
• Smooth Rotation: Low-friction bearing performance helps provide efficient power transfer
• 68/73 mm Compatibility: Suitable for common MTB threaded bottom bracket shell widths
• Durable Construction: Reliable Shimano engineering designed for regular off-road and everyday use

Product Overview
The Shimano Deore BB-MT501 is a durable threaded bottom bracket designed for Shimano Hollowtech II mountain bike cranksets. Featuring improved sealing and smooth bearing rotation, it provides efficient power transfer while helping protect the internal components against dirt, water and trail debris. The English/BSA threaded design fits 68 mm and 73 mm bottom bracket shells, making it suitable for a wide range of mountain bikes. Supplied with the required spacers, the BB-MT501 is an excellent choice for replacing a worn bottom bracket or completing a new Shimano drivetrain build.

Specifications

• Brand: Shimano
• Series: Deore
• Model: BB-MT501
• Product Type: Threaded bottom bracket
• Technology: Hollowtech II
• Frame Interface: English / BSA threaded
• Thread: BC 1.37" x 24 TPI
• Shell Width: 68 / 73 mm
• Crank Axle Compatibility: Shimano Hollowtech II 24 mm
• Cup Material: Aluminium
• Colour: Black
• Primary Use: MTB

Ideal For

• Mountain bikes with 68 mm or 73 mm BSA threaded shells
• Shimano Hollowtech II MTB cranksets
• Replacing a worn or damaged bottom bracket
• Riders looking for dependable Shimano drivetrain performance

What’s Included

• 1 × Shimano Deore BB-MT501 Bottom Bracket
• Required bottom bracket spacers

Care & Notes
Confirm your frame uses a 68 mm or 73 mm English/BSA threaded bottom bracket shell and your crankset uses the compatible Shimano Hollowtech II 24 mm axle standard before installation. Professional installation is recommended if you are unsure of compatibility or spacer configuration.

Why Buy From LK Bikes
LK Bikes offers dependable cycling components from trusted brands such as Shimano, supported by expert advice, reliable service and strong aftersales support.