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How to ID what type of BB for tool to buy

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How to ID what type of BB for tool to buy

Old 08-20-10, 10:15 AM
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How to ID what type of BB for tool to buy

I have the older BB tools, but I was working on a friend's bike and his BB is loose. So, I took off the cranks and saw that the BB cups were splined. So, my question, is are the BB normally the same brand as the cranks on bikes?

His was a diamond back and the cranks were Shimano. So, am I correct in assuming that the BB will be the Shimano splined?

When I look at the BB tools for the universal, they say Shimano, Isis etc. Or, would it be better to buy it from a bike shop to make sure that I have the right tool?
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Old 08-20-10, 10:28 AM
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take a picture , or take it to a bike shop, Big spline May Be Shimano's, left side is typically plastic
They are cartridge types, so it's all or nothing , replace with new.

got a crank-arm puller already , if not , shop time may be simpler.
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Old 08-20-10, 10:34 AM
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I already have the crank arm puller. So, they are cartidge and need to be replaced. I will take a picture and see what tool is needed. I was hoping I could buy one tool to fit all of the bottom brackets that I have. But, it sounds like that may not be the case.

on my bikes, I have the following cranks Ultegra, Specialiazed Strongarm, and Deore, but they could all be different. BTW. I have never adjusted overhauled. these. What is the normal schedule for overhaul on the BB?
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Old 08-20-10, 10:42 AM
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The BB should be overhaul every year.Or more often if you ride in water or wet weather. as far the tool goes try Park BB ,this tool will handle 90 % of the BB out there.
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Old 08-20-10, 11:00 AM
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Ouch every year. I guess my commuter will really be suffering. I don't think it would have been overhauled for 5 or 6 years. at 3-5k annually. The Other bike are OK, but I probably need to overhaul that BB ASAP.
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Old 08-20-10, 11:15 AM
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Originally Posted by gholt
I already have the crank arm puller. So, they are cartidge and need to be replaced. I will take a picture and see what tool is needed. I was hoping I could buy one tool to fit all of the bottom brackets that I have. But, it sounds like that may not be the case.
I have a drawer full of BB tools, and still don't have one that will fit everything. But I am close. Look at your various bike bottom brackets, very doubtful one tool will fit them all. There are several generations of Ultegras for example, that use different tools.

15K miles on a BB without any service? That's really something.
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Old 08-20-10, 11:47 AM
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It still feels good from what I can tell. No play in it at all. petals pretty good from what I can tell.
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Old 08-20-10, 01:18 PM
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Annual is suitable for loose ball cup and cone BB's .. fresh balls and grease.
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