Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm

Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm Shimano

Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm

Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm

Shimano logo

Why Do XT Riders Choose the Shimano BB-MT801 Bottom Bracket?

The Shimano Deore XT BB-MT801 is the threaded English bottom bracket engineered specifically for Deore XT M8000 and M8100 Hollowtech II cranksets, using high quality sealed bearings positioned outboard of the frame shell per the Hollowtech II standard. The outboard bearing position maximizes the effective bearing span, improving lateral stiffness and distributing pedaling loads more efficiently than traditional threaded designs with inboard bearings. Shimano specs the BB-MT801 with high quality sealed bearings tuned for the higher power loads and more demanding trail conditions typical of XT-level riding.

English threaded BSA shell, compatible with both 68mm and 73mm shell widths. Designed for Shimano's 24mm hollow crank axle standard used in XT M8000 and M8100 cranksets, and mechanically compatible with other Shimano Hollowtech II MTB cranksets. Installation requires a Shimano TL-FC36 or equivalent Hollowtech II BB wrench. Shimano offers the BB-MT801 in both threaded and press-fit options -- this is the threaded English version. For riders building or maintaining a Deore XT drivetrain on a threaded English frame, the BB-MT801 is the correct OEM bottom bracket.

Sale
$37.99
$37.99 $44.00
Shipping calculated at checkout.

1 in stock

  • Orders over $100 ship free!
  • Estimated delivery: Jul 05 - Jul 09

Ask a question

The fields marked * are required.

more details:

Shimano logo

Specifications

  • Model: BB-MT801
  • Series: Shimano Deore XT
  • Interface: Hollowtech II (24mm axle)
  • Shell: English threaded (BSA), 68mm and 73mm compatible
  • Bearing Type: Outboard high quality sealed cartridge
  • Compatible Cranks: Shimano XT M8000, M8100 and compatible Hollowtech II MTB cranksets
  • Installation Tool: Shimano TL-FC36 or equivalent Hollowtech II BB wrench

FAQ

What is the difference between the BB-MT801 and the BB-MT501?

The BB-MT801 uses higher quality sealed bearings spec'd for Deore XT cranksets, while the BB-MT501 is the Deore/Alivio-tier equivalent. Both use the same Hollowtech II 24mm interface and English BSA thread, so they are mechanically interchangeable -- but the BB-MT801 is the correct OEM spec for XT M8000 and M8100.

Is the BB-MT801 available in a press-fit version?

Yes. Shimano makes the BB-MT801 in both threaded (English/BSA) and press-fit options. This listing is the threaded English version. If your frame has a press-fit BB shell, you need the press-fit variant.

Can I use the BB-MT801 with an XTR crankset?

Mechanically yes -- both XT and XTR cranksets use the same Hollowtech II 24mm interface. The XTR-specific bottom bracket (SM-BB93) uses even higher grade bearings and a lighter construction. For XTR builds, Shimano recommends the SM-BB93.

Best For

Trail and enduro riders with English threaded 68mm or 73mm frames running Shimano Deore XT M8000 or M8100 Hollowtech II cranksets who need the correct OEM bottom bracket for their drivetrain.

Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm Reviews:

You may also like