Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket | The Bike Affair
Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket | The Bike Affair

Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket

IBBMT800B

Regular price‚āĻ 1,910.00
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Experience Exceptional Performance with the Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket

Shimano Deore XT - Bottom Bracket - Threaded - Hollowtech II - 68/73 mm shell width

Upgrade your mountain biking adventures with the Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket. Specifically designed for Shimano 24mm MTB cranks, this bottom bracket guarantees high-quality performance with its sealed bearings and offers versatility with both threaded and pressfit options.

Sealed Bearings for Optimal Performance: The Shimano Deore XT BB-MT800 is equipped with high-quality sealed bearings, ensuring smooth and reliable rotation. These sealed bearings not only provide enhanced durability but also reduce friction, allowing you to maximize power transfer and pedal efficiency during every ride.

Hollowtech II Design for Lightweight Strength: Embrace the Hollowtech II design, which combines lightweight construction with exceptional strength. The Deore XT bottom bracket's Hollowtech II technology ensures a sturdy foundation for your crankset, contributing to an overall lighter weight for your MTB setup without compromising on performance.

Versatility with Threaded and Pressfit Options: The Deore XT BB-MT800 offers versatility to suit your specific MTB frame requirements. Whether you need a threaded or pressfit option, Shimano has you covered, providing seamless compatibility for various mountain bike frames.

Designed for 68/73mm Shell Width: With a design catered to fit bottom bracket shell widths of 68mm and 73mm, the Shimano Deore XT BB-MT800 is suitable for a wide range of MTB frames. Its precise fit ensures a secure and stable connection, giving you the confidence to tackle any challenging terrain.

Specifications

Specifications of Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket

Model No
BB-MT800
Series Deore XT T8000 Series
Average weight 82
Hollowtech II Bottom Bracket_Threaded Bottom Bracket Type Yes
Threaded Bottom Bracket Shell Width (mm) 68, 73
Technologies

Technologies of Shimano Deore XT BB-MT800 Hollowtech II Threaded Bottom Bracket

Hollowtech II:

Providing the best balance of stiffness, strength, weight and rotating performance
The concept of Hollowtech II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, Shimano strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. 

Hollowtech technology is an ultra-lightweight hollow crankarm created by Shimano with the company’s own proprietary forging technology that also maintains rigidity. The addition of Hollowtech II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.

The Hollowtech II crankset has been developed by pursuing the optimum balance of stiffness & rotating performance in a lightweight and beautiful crankset design.

High Precision Sealing: Moreover, Hollowtech II crankset has a high-precision sealing in the bearing area to increase durability maintaining the excellent rotating performance for long periods.

24mm Diameter Axle And Bearings: 

Why choose the 24mm axle and bearings for the Hollowtech II crankset? 

The diameter of the Bottom Bracket axle and bearings was of primary importance for the development because the Bottom Bracket axle area is tied to such key elements as stiffness, strength, weight and rotating performance.

What’s important is the total balance of crankset

In addition, taking the crankset as a whole, the total balance of crankarm rigidity, axle stiffness, bearing position and others is essential.

Indeed, the crankset is designed by careful consideration of the total balance of those elements to prevent breakage.

Outboard Bearing: For most frames with 68mm Bottom Bracket shells, Hollowtech II with 24mm axle can set the bearing position outside of the frame to provide better weight distribution and more stability.

24mm Diameter Axle And Bearings Provide Optimum Balance For The Crankset: After studying all these problems thoroughly, we made the decision to adopt the 24mm diameter axle and bearings, which have the optimum balance, for the Hollowtech II crankset.

In addition, an examination of the total crankset, including the crankarm and gears, proves the optimum balance of rigidity, weight and rotating performance for the ultimate transfer of power to your bike. Hollowtech II is simply the most optimized crankset design on the market.


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