Bottom Bracket

Shimano BB-MT501 (BSA)

Threaded BSA 68/73mm external bearing BB, 24mm Hollowtech II, alloy cups

What this fits

Shell standard
English
must match your bike
Shell width
73 mm
must match your bike
Shell bore
1.37
must match your bike
Spindle
Shimano Hollowtech II
must match your bike

Intended for mtb, gravel builds.

Manufacturer specifications

BB Shell Width (mm)
73
BB/Frame Interface
English
Bottom Bracket Shell I.D.
1.37
Defined Color
Black
Spindle Interface Type
Shimano Hollowtech II

Specifications recorded from the retailer product listing.

Where to buy

We don't have a retailer link for this part yet. Any bike shop can order it — take the exact name and part number (IBBMT501B) from this page so you get the right version.

Compatibility guides

Other bottom brackets

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