Upgrade Shimano Tiagra > 105 ???

richa
richa Posts: 1,632
edited June 2007 in Workshop
I've ordered some new wheels (Fulcrum 3's) - which are to be for High days & Holidays - and was thinking about getting a new cassette and chain to go on these wheels.

I currently run a Tiagra 9 speed groupset.

Would a shimano 105 [url=http://www.ribblecycles.co.uk/details.asp?D=P&Cat=CASSETTES&Section=CASS&GenCode=SHIMCASS0900
]cassette (HG70)[/url] and [url=http://www.ribblecycles.co.uk/details.asp?D=P&Cat=CHAINS&Section=CHAI&GenCode=SHIMCHAI0750
]chain (HG73)[/url] be compatible with my Tiagra chainset.

Or should I stick with a Tiagra [url=http://www.ribblecycles.co.uk/details.asp?D=P&Cat=CASSETTES&Section=CASS&GenCode=SHIMCASS1000
]cassette (HG50)[/url] and [url=http://www.ribblecycles.co.uk/details.asp?D=P&Cat=CHAINS&Section=CHAI&GenCode=SHIMCHAI0700
]chain (HG53)[/url]?

If it is compatible, what differences would I notice? It's a little lighter, would it be any smoother?

Many thanks,


Rich
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