***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***

Shimano BSA Bottom Bracket - Threaded - HOLLOWTECH II - 68 / 73 mm version for cranksets with 24 mm integrated bearing axis.
SHIMANO DEORE XT - Bottom Bracket - Press-Fit - HOLLOWTECH II - 89.5/92 mm shell width for cranksets with 24 mm integrated bearing axis.

SM-BB52 Bottom Bracket

Shimano SM-BB52 Hollowtech II bottom bracket in the 68 / 73 mm version for cranksets with 24 mm integrated bearing axis.
 
Features:
Model: SM-BB52
BB-Type: HOLLOWTECH II
Use: MTB
Threaded: BSA
Threaded BB shell width: 68/73mm
Shell diameter: BSA (BC 1.37)

SM-MT801 Bottom Bracket  (New Version)
 
SHIMANO DEORE XT - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell width
For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings
and is offered in threaded and pressfit options.

Features:
Use: MTB
Model: BB-MT801
BB-Type: HOLLOWTECH II
Threaded: BSA
Threaded BB shell width: 68/73mm
Shell diameter: BSA (BC 1.37)
Material: Aluminum
Weight: 82g

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

For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings
and is offered in threaded and press fit options.
 
Features:
Ride anywhere 11-speed rider tuned gearing.
The power to choose how and where you ride.
Consistent shifting performance and enhanced chain management.
Optimal balance of durability and lightweight.
High efficient and precise shifting.
Gear combination: 
FC-M8000-3: 40-30-22T 
FC-M8000-2: 38-28T, 36-26T, 34-24T 
FC-M8000-1: 30T, 32T, 34T Chain line 3mm outboard spec available

BB-MTMT501 

SHIMANO - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell width
Shimano Hollowtech II bottom bracket in the 68 / 73 mm version for cranksets with 24 mm integrated bearing axis.
With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency.

Feature:
Use: MTB 
Model: BB-MT501
BB-Type: HOLLOWTECH II
Threaded: BSA
Threaded BB shell width: 68/73mm
Shell diameter: BSA (BC 1.37)

SM-MT500-PA Bottom Bracket
 
SHIMANO DEORE XT - Bottom Bracket - Press-Fit - HOLLOWTECH II - 89.5/92 mm shell width

For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings
and is offered in threaded and press fit options.
 
Features:
Ride anywhere 11-speed rider tuned gearing.
The power to choose how and where you ride.
Consistent shifting performance and enhanced chain management.
Optimal balance of durability and lightweight.
High efficient and precise shifting.

 

If you have any questions, please contact us as soon as possible. There will be a time difference between us, but we will reply as soon as we see the message. We will reply to messages within 24 hours on weekdays and within 48 hours on weekends. Please don't worry, we are honest sellers, no matter what the problem is, we will try our best to give you a satisfactory answer. Thank you for your support and understanding.

Note:

*The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

*Please allow slight manual measurement deviation for the data.