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Bianchi bottom bracket thread size

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Old 04-20-14, 07:59 AM
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Bianchi bottom bracket thread size

Good afternoon everyone, I am a new user, and already I have a question.
I own a Bianchi Impulso 2013, I have just bought a new campy centaur power torque chainset. I need to change to a power torque bb, but don't know whether the bike is Italian or British thread, anyone know the answer please ?
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Old 04-20-14, 08:10 AM
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Originally Posted by barryg123
Good afternoon everyone, I am a new user, and already I have a question.
I own a Bianchi Impulso 2013, I have just bought a new campy centaur power torque chainset. I need to change to a power torque bb, but don't know whether the bike is Italian or British thread, anyone know the answer please ?
ALL modern Bianchis have ISO (BSC) bottom brackets. This applies to all Bianchis not made in Italy which always were ISO, and to Bianchis made in Italy in the last 20-30 years or so. Older Italian made Bianchis had Italian threads. I can't say when the Italian Bianchis changed from Italian to ISO, so I approach those with more caution when servicing the BB.
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Old 04-20-14, 08:14 AM
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remove the left side first. this side is always threaded right hand, then measure to identify the threading
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Old 04-20-14, 08:18 AM
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Originally Posted by FBinNY
ALL modern Bianchis have ISO (BSC) bottom brackets.....I can't say when the Italian Bianchis changed from Italian to ISO, so I approach those with more caution when servicing the BB.
Well, the OP said it's a 2013 model so the probability it's English threaded is very high. He could look at the current cups to see what, if anything, is engraved on them. It's very likely to be "1.37x24" or "BSC" which will mean English. If it says "36x24" (Italian) I'd be very surprised.
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