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Can 8/9 spd hubs be shimmed or modified to work 6 sp rear?(3 posts)

Can 8/9 spd hubs be shimmed or modified to work 6 sp rear?Bill Lepse
Apr 30, 2001 7:23 PM
I have an old bike which is missing the wheels. I have been to a bike shop and they can set me up with a new rear wheel but I am leary since I have not seen a 6 spd hub in several years. So I am wondering if they are simply using a new 8/9sp hub and modifying it somehow. Is this possible? If so I may want to look at other options for wheels since I am sure the rim he quoted is a no-name (had bad experiences with cheap rims since I weight 200lbs). Your help is much appreciated.
What are you trying to accomplish?Spoke Wrench
Apr 30, 2001 8:40 PM
If you are looking for a cheap bike to ride, I don't think this is your best bet. A bicycle with a 6-speed freewheel is going to be pushing 20 years old. It's possible to get a new wheelset for this bike, but I'm not sure that's the smartest thing to do. Here's why:

Six speed bikes have freewheels. Shops can buy pre-built wheels with freewheel hubs, but they aren't top quality hubs. As you have already mentioned, the rims available on these wheels aren't the best either. In other words, you are going to be paying upward of $100.00 for a wheelset of questionable quality. Other options are finding a suitable used wheelset, iffy at best; or having a custom wheelset built, which is going to cost a lot more.

After you have spent this much money, at best you'll have a 20 year old bike with new wheels. At worst, you'll have a 20 year old bike with an assortment of other problems, and new wheels. Unless the bike was a real high end offering when it was new, I wouldn't put any money into it.

I believe there are several better alternatives. Cheapest is probably to find a garage sale bike that has all of the parts and that you can test ride. Listings for used bike shop bikes can be found in many bike shops, in the newspaper and on line. Lastly, a brand new bike from a bike shop will obviously cost more, but will be more fun to ride.
Hold on there .......Problem solver
May 2, 2001 8:40 AM
A six speed rear can also be a cassette. However, the splines on 6 speed hubs are a different pattern than on 7,8,or 9 speed and there is no compatibility.There are plenty of really good 20 year old frames around, particularly some of the classic steel.Get outa the box man.....