Join Date: Aug 2010
Bikes: 1954 Raleigh Sports 1974 Raleigh Competition 1969 Raleigh Twenty 1964 Raleigh LTD-3
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Question about Madsen Bucket bike BB
I have a friend with a Madsen and her crankset is really wobbling. It looks to me, only having a few minutes to check it out in a dark garage, that either the BB is shot or something is loose. The cranks are tight on the spindle.
Being a massive retro-grouch and C&V guy for the most part my experience on newer bikes (anything made in the last 15 years is "new" to me) is somewhat limited.
I'm assuming this is a cartridge BB. I'm not even sure I have the specialized tools to take apart this particular crank. I've got a Park Tool Shimano/ISIS wrench and a Park Tool CWP-7C Universal Crank Puller (as well as a full compliment of regular hand tools and BB tools to work on loose-ball BB's on C&V bikes (Park Tool HCW-5 Lock Ring Spanner, HCW-11 spanner, SPA-6 adjustable pin spanner -that sort of thing.) These may or may not help me in removing the cranks and inspecting/working on the BB I have no idea what to expect when taking apart the BB on a Madsen -and trying to find any info online on the bucket bike and what kind of BB is uses is pretty fruitless.
I plan on giving it my best shot tomorrow but I am not confident that I have all the tools I need and should add to my arsenal. I don't want to hit a wall and not be able to finish the job and come back later to get the bike working again. That may be the case anyhow should a new cartridge BB need to be ordered. If I can get it apart at least I can measure it and find out what it is by reading the markings on it maybe to order another.
Since the bike is only a year old and doesn't have THAT many miles on it I'm hoping the BB is OK and maybe the cartridge is just loose. Hopefully riding it like that hasn't damaged the BB threads and a simple tightening will make it right.
Anything else I should expect -or any specific tool I'm going to certainly need to source that I don't already have?
Last edited by Amesja; 08-18-11 at 09:10 AM.