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Front gearing 53 or 39.......(6 posts)

Front gearing 53 or 39.......jvr-oclv
Feb 13, 2003 5:24 AM
Does it make any difference to go with a 53/20 or 39/15. More or less the total chain inchs is the same. Advantages or disadvantages between going 53 or 39? Give me your opinions.
re: Front gearing 53 or 39.......desmo
Feb 13, 2003 7:13 AM
It does not really matter if you are happy with the ratio. The bigger gears may spin a hair smoother and quieter. But that would be really minor. The 39 will give you more options if you want a lower gear in the future, as 20 is about as big as you can get for the back. Probably more an issue of looks. I personally don't like the look of that big a cog in the back. But then again a 39 looks pretty small up front. In my narrow opinion, a 42 or 48 in the front is the way to go. Most LBS have stacks of old 42's laying around from the 52/42 days.
Expense...if you don't already have the stuff...biknben
Feb 13, 2003 12:52 PM
A 53t will certainly cost more than a 39t.

Harris cyclery sells 13-19t cogs for $30 and 20-22t for $35.

If you don't already have the chainring and cog I'd go with a 42 or 48t chainring to allow more options.
$30-$35 for cogs?!look271
Feb 16, 2003 12:48 PM
I just paid $16 for a D/A track cog from my LBS-$30 sounds real expensive. What are they, TI?
I'd say you got a good deal...biknben
Feb 18, 2003 5:11 PM
This is where I got mine.
Harris tends to be expensive.look271
Feb 27, 2003 6:57 AM
However, they seem to have almost everything, so if you need it and can't find it anywhere else, they'll usually have it. My LBS owner took about a month to track that cog down, (along with a 25.4mm micro-adjust seatpost). Since it's been snowing about every weekend here, that wasn't much of a problem......