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Does anyone know of a reputable website that sells a wide range of used and second hand bike parts and components?

I'm helping a friend rebuild an older commuter bike and we are having trouble finding compatible components. There are a couple of local shops that carry used parts, but not having any luck there so far. I know of an Ebay seller that sells used ski equipment; I'm wondering if, likewise, there is a website for used bike parts. I'm basically looking for a larger inventory than my local area.

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"I know of an Ebay site" ? Do you mean an eBay seller? Because there is plenty of second hand bike stuff on eBay. I would recommend it. – Vache Nov 30 '10 at 19:05
Yes. Ebay seller. Hoping to find a seller or other site with a large selection. – user313 Nov 30 '10 at 19:12
The ski equip Ebay store has a warehouse full of equip. I'd like to find something like that for bike related to avoid having to search and pick through stuff and also looking for a good rep. – user313 Nov 30 '10 at 19:15
I know no site but if you can find a bicycle club, it is probably a way to go. I am in one and people often share free old second-hand parts. The good side is that the club can be much more than that like bulk-purchase-organizer, touring-trip-organizer, random-competition-organizer, sponsor-finding-assistance-to-competition -- and much more. I like it because it saves me time, money -- and it is fun! – user652 Mar 15 '11 at 7:53
up vote 5 down vote accepted

Loose Screws Small Bicycle Parts has a decent selection of small parts.

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This worked. I clicked and scrolled and found the item I was looking for. – user313 Dec 1 '10 at 23:23
Great site, thanks! – Carson Reinke Sep 9 '13 at 17:01
The current link takes me to a Japanese site about loaning credit cards? Here is an updated link – Riet May 10 at 19:27
@Riet Thanks, updated. – Neil Fein May 10 at 22:21

Ebay and craigslist, and maybe amazon is pretty much it. Otherwise you can try bikeforums or mtbr for sale subforums in addition to local shops.

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I've not had any luck consistently finding used parts online. For used commuter/entry-level stuff the best source I've found is local garage sales. For used nicer stuff try your local racing clubs. They tend to discard nice stuff, for cheap, on a regular basis as they always need the latest greatest to go the fastest. Surprisingly the local touring bike clubs have not been a great source as those people seem to hold onto stuff forever. :-)

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