Images from here and there may be some Mountain Biking…

Replacing a Bottom Bracket

Recently the bottom bracket on my Mountain Bike broke, I thought it had gotten very loud and graty when I pedalled and when I looked at it you could move the pedals and cranks sideways at least 5mm. Apparentley this is a dead giveaway of a broken one, still it had lasted 4 years in the mud and grit of the Yorkshire Dales!!

So using my trusty Zinn and the Art of Mountain Bike Maintenance book, I decided to have a go at fixing it myself instead of finding a new bike shop to goto, as Kudu Bikes in Hawes has recently closed it doors.

So my Iron Horse Azure Sport has an ISIS Cartridge type Bottom Bracket (BB)

So having figured out I needed a Shimano ISIS tool to remove it, I found one cheap at wiggle.co.ukĀ  a LifeLine Shimano Cartridge Bottom Bracket Tool and as I was not sure what bottom bracket I needed I decided to pull it apart first and then order one, luckily for me as I almost wasted some money there, having almost purchased a Shimano MB-530 one.

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