Upgrading a 98 Cannondale R600 from Double to Triple. HELP?
Ok, so I'm not a master mechanic otherwise I'd have this answer on the tip of my tongue already... Basically my brother has a Cannondale R600 and he's about to move to Missoula, Mt. So... as a result.. He's in need of upgrading almost his entire drivetrain.
What I was hoping is that someone could recommend to me what Triple Crankset, BB and derailleur would not only work but be a great solution... I'm kinda lost as to what is on an R600 and the bike isn't here it's in Missoula already. The previous owner told me that it had a square taper to the cranks, and if I knew more about it I'd know wether or not that would mean if it's Octalink or not... I just don't know. HELP PLEASE?
And if you wanted to recommend a new rear cassette I'd be open to that too.
I know that he's currently got an 11-21 which will need to change to something better for mts. as well...
You can ride a BIG WHEEL as long as it puts a smile on your face.
Square taper and Octalink are not compatible. Shimano's low end cranks are still square taper, I believe, but your best bet is likely to be to just buy a new crank set and BB. What you get will depend totally on your budget, but don't dump a lot of money into the bike when a comparable sum could buy you a better bike on the used market. A new rear derailleur may not be necessary if your brother is willing to only use the larger cogs with the small chain ring. The only thing a new rear derailleur will give you is more chain wrap - the ability of the RD to keep tension on the chain in all the gears. You likely will need a new front derailleur and a new FD shifter, depending on what is currently on the bike. You need to tell us what equipment is on the bike to answer that question. With an 11-21 cassette, your brother must have been some sprinter What cassette he might need is not possible determine for anyone who doesn't know his riding abilities. Many find a 12-25 suitable for hills, others need a 27 large cog, and some want a 34. Whether your brother needs a 12 is open to question, though Shimano has only made 12s readily available. You can special order cassettes with a 13 small cog, and that is all that most riders really need. In Missoula, you can ride out along the river and nver really climb much of a hill, or you can head up the side roads and get a pretty stiff climb.
Originally Posted by Sprocket - Matt
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