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Currently my MTB has a Shimano Acera FC-M391 44-32-22T Crankset + a Shimano BB-UN 26
Cartridge Type bottom bracket with 170mm cranks
Im aiming to shave off a few lbs by dropping a ring & swapping to a hollow bb but ive never changed that part of my bike before and wondered what reccomendations people have for tools & kit needed to do the job
Posted : 18/02/2014 10:11 pm
fitting the a shimano ht2 bb is easy,ht2 tool and pre load tool normaly come together.Getting the old bb could be the fun part.Some good vids on Youtube.
Posted : 18/02/2014 10:29 pm
You'll need 1 bb tool for each type and crank extractor also - £30?
You won't lose even 1lb tho.
Posted : 18/02/2014 10:34 pm