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2 votes
2 answers
2k views

What is the difference between Shimano SM-BBR60 and Shimano BB-MT501

Are these 2 bottom brackets compatible? Is one 'better' than the other? Is one more durable than the other, more efficient than the other? I would guess that the BB-MT501 is meant for dirtier ...
John Doe's user avatar
  • 705
2 votes
1 answer
320 views

Shimano BB: add grease over threadlock?

The dealer manual for the Shimano BBR60 bottom bracket says to grease the threads of the cups before inserting. But I noticed that the threads have some kind of grey threadlock compound applied to ...
someguyinafloppyhat's user avatar