Shimano BB-MT800-PA Deore XT Bottom Bracket (Press Fit)

BB-MT800-PA SHIMANO DEORE XT - Bottom Bracket - Press-Fit - HOLLOWTECH II - 89.5/92 mm shell width

Shimano BB-MT800-PA is a bottom bracket for press fit mounting in frames with 89 to 92 mm housing width and 41 mm bottom bracket diameter. It is recommended for XT, SLX and groupless Hollowtech II compatible cranks with 24 mm axle diameter. The bearing shells are made of resin.

Key Features

• Model: Shimano BB-MT800-PA Deore XT Bottom Bracket

• Bottom Bracket Type: Press-Fit design for modern MTB frames

• Crank Compatibility: Designed for Shimano Hollowtech II cranksets

• Axle Compatibility: Supports 24 mm spindle diameter

• Frame Compatibility: Fits frames with 41 mm bottom bracket shell diameter

• Shell Width Support: Compatible with 89.5 mm and 92 mm shell widths

• Lightweight Construction: Resin bearing shells reduce overall weight

• Smooth Pedaling: Precision bearings improve drivetrain efficiency

• Versatile Use: Suitable for multiple riding styles including MTB and touring

Product Specifications

• Brand: Shimano

• Model: BB-MT800-PA

• Series: Deore XT

• Application: Cross Country, All Mountain, Enduro, City & Touring

• BB Type: Press-Fit

• Shell Diameter: 41 mm

• Shell Width: 89.5 mm / 92 mm

• Axle Diameter: 24 mm

• Crank Compatibility: Hollowtech II

• Bearing Shell Material: Resin

Performance & Drivetrain Efficiency

The Shimano BB-MT800-PA is engineered to enhance drivetrain performance by maintaining precise crank alignment and reducing rotational friction. The high-quality bearings allow smoother crank rotation, improving pedaling efficiency during long rides or technical trails. Its press-fit design creates a secure and stable interface with the frame, which helps minimize unwanted movement and noise. This results in better power transfer from the rider to the drivetrain, allowing cyclists to maintain speed and efficiency across different terrains.

Why Choose This Product

• Ensures smooth and efficient crank rotation

• Optimized for Shimano Hollowtech II cranksets

• Lightweight resin construction improves overall bike performance

• Designed for modern press-fit MTB frames

• Reliable performance for trail, mountain, and touring rides

• Built with Shimano’s trusted engineering and durability

In the Box

• Shimano BB-MT800-PA Bottom Bracket