djnzlab1
09-20-08, 03:03 PM
Hi,
Most of the free wheel 6 speeds are geared for mountian bike anyone still make a good one for road use.
Doug
Most of the free wheel 6 speeds are geared for mountian bike anyone still make a good one for road use.
Doug
Classic & Vintage - where to find new free wheel 6 speed gear
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Wino Ryder
09-20-08, 03:11 PM
Several sources. Check with Bike Nashbar and Harris Cyclery.
Also ebay is a good source.
Also ebay is a good source.
IceNine
09-21-08, 02:07 AM
When I replace a 6 speed freewheel, I typically go with a 7 speed freewheel, since the spacing is basically the same 126mm.
John E
09-21-08, 07:08 AM
When I replace a 6 speed freewheel, I typically go with a 7 speed freewheel, since the spacing is basically the same 126mm.
Technically, a 7-speed needs another 2mm on the drive side, so sometimes one has to add a washer or two, re-center the axle, and re-dish the rim by a mm. (I did not need to make any adjustments with my 1980 Ofmega hub, but my Campagnolo Gran Sport from the same era takes only a 6-speed without the extra spacer.) Changing from 6 to 7 speeds is also a great time to lose that pie plate, assuming you (still) have one.
Technically, a 7-speed needs another 2mm on the drive side, so sometimes one has to add a washer or two, re-center the axle, and re-dish the rim by a mm. (I did not need to make any adjustments with my 1980 Ofmega hub, but my Campagnolo Gran Sport from the same era takes only a 6-speed without the extra spacer.) Changing from 6 to 7 speeds is also a great time to lose that pie plate, assuming you (still) have one.
OLDYELLR
09-21-08, 07:28 AM
Technically, a 7-speed needs another 2mm on the drive side, so sometimes one has to add a washer or two, re-center the axle, and re-dish the rim by a mm.I replaced the original 6-speed Suntour FW on my Nishiki Ultimate with a wider ratio 6-speed from the LBS and then a 7-speed from Harris. The 7-speed required two 0.020" washers (1mm) under the locknut on the right to keep the chain from grinding on the seatstay. I didn't bother re-dishing the wheel. Here are the 3 freewheels, Suntour 6-speed, Shimano 7-speed, Shimano 6-speed (left to right).
Wino Ryder
09-21-08, 10:01 AM
The 7-speed required two 0.020" washers (1mm) under the locknut on the right to keep the chain from grinding on the seatstay. I didn't bother re-dishing the wheel.QUOTE][QUOTE]
Fortunately, mine switched over just fine on my Centurian. No re-dishing the wheel or nothing. Just remove and replace, and that was about it. I was also lucky in that my LBS had the Shimano 7-speed f/w without me having to purchase on-line. It also had the 28t low gear I need sometimes for pulling my trailer.
It was a "win, win" :D
Fortunately, mine switched over just fine on my Centurian. No re-dishing the wheel or nothing. Just remove and replace, and that was about it. I was also lucky in that my LBS had the Shimano 7-speed f/w without me having to purchase on-line. It also had the 28t low gear I need sometimes for pulling my trailer.
It was a "win, win" :D
jhcore
09-21-08, 10:08 AM
I've been running a 7 speed IRD freewheel since the beginning of summer and have been very happy with it (13-24). Here's a link to all things freewheel from Harris Cyclery:
http://www.sheldonbrown.com/harris/freewheels.html
http://www.sheldonbrown.com/harris/freewheels.html
silent ride
09-21-08, 07:00 PM
Try the Shimano MF-HG22 FW and your LBS. It's a 6 speed and the range is 14-28. I put one on my '83 Fuji Espree about 18 months ago and it's doing just fine after about 2500 miles. It also was a big improvement for smooth, stealthy quiet shifts compared to the old Sun Tour unit the bike originally had.