Bicycle Mechanics - tool kit & santa cruz maintenance
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09-08-09, 10:16 AM
I'm looking at buying this tool kit (http://www.mec.ca/Products/product_detail.jsp?PRODUCT%3C%3Eprd_id=845524442594303&FOLDER%3C%3Efolder_id=2534374302694071&bmUID=1252423568509) , to do some basic maintenance on my Santa Cruz Blur Classic (2005).
Can anyone tell me if these bottom bracket and crank tools in this kit will work with the Blur or should I just buy the tools separately?
09-08-09, 10:34 AM
What crank came on your Santa Cruz? That kit only has tools for some ISIS, Octalink and square taper cranksets. If you have an external bearing crank, you will not get the tools for removing the bottom bracket cups or adjusting the preload (applicable on some Shimano cranks).
With that said, the bottom bracket tools that come with sets like that typically suck. They have no provision for using the tool with a torque wrench. Even if the set came with external bearing tools, I'd still recommend the Park Tool external bearing socket tool which accepts a 3/8" square drive.
09-08-09, 12:04 PM
Thanks for the insight on the kit. I have Truvativ cranks however I'm not sure on the terminology to describe the BB. I'll take a picture and post it on here later tonight.
09-08-09, 12:41 PM
If you always buy the specific tool for the job, and from the best toolmakers, you'll have tools that last a lifetime. Tool-kits will saddle you with tools you'll never likely use. This is why they are so cheap. And often of inferior quality.
I have the Park Tool BBT-19. It works great!
09-08-09, 10:01 PM
Here are some pics of the crank I have on my Blur classic. It's an 8mm hex on the drive side but after I loosen that, I'm not sure what to do. On the non-drive side photo, it's completely hollow.
If I didn't say it in my first post, my goal is to overhaul the BB.
09-09-09, 09:56 AM
I think this is the type of crank / BB setup that's on my blur. if anyone can confirm this with my poor photos, please do.
If I need to replace the BB, do I need to go to the bike shop to get it pressed on?
09-09-09, 04:42 PM
With a hollow axle on one side, it's definitely an external bearing crankset. The bearings are housed in the cups which onto the bottom bracket shell but side outside of it, and not inside like a typical bottom bracket would put the bearing. All you need is the external bearing socket that I linked to and you'll be able to remove and reinstall the bearing cups for your crankset. If you don't own a torque wrench, get one or have the LBS do this job for you.
Oh, as for removing the actual crank, I'm guessing that your Race Face crank uses a similar type of self-extracting bolt that FSA's external bearing cranks use. Unscrewing the 8mm hex socket bolt should pull the one arm off the axle. The other side should just slide out of the bearings or it may require a rubber mallet to drive it out.
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