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Old STX-RC 7 speed upgrade compatibility
#1
Hi Folks, I hope someone on here will be able to give me a steer.
I'm trying to upgrade my wifes old Marin Bear Valley SE (1995) but I'm really struggling to work out what Shimano replacement parts I need.
The current spec is:-
https://www.bikepedia.com/QuickBike/BikeSpecs.aspx?item=32407
Crankset Shimano STX-RC, 22/32/42 teeth - ideally I'll replace the chainrings
Cassette Shimano 7-speed, 11 - 28 teeth (I think this would be Shimano-CS-HG41-7-Speed-Acera-Cassette???)
and a compatible chain (I think this would be Shimano-CN-HG40-6-7-8-Speed-116-link-Chain-with-Connecting-Link???)

Thanks in advance for any help you can give.



.pdf   Marin Bear Valley SE (1995).pdf (Size: 290.41 KB / Downloads: 21)
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#2
here is a list of what I would use. Finding chainrings would be a tough one, I am also not a fan of low end shimano chains
https://www.ebay.com/itm/KMC-X8-93-21-24-Speed-1-2-X-3-32-Road-MTB-Bicycle-Chain-116L-fits-3x7-3x8/193720292715?epid=1400042731&_trkparms=ispr%3D1&hash=item2d1aa1156b:g:hAgAAOSwNDJaZ7NC&amdata=enc%3AAQAFAAACcBaobrjLl8XobRIiIML1V4Imu%252Fn%252BzU5L90Z278x5ickkfKe​2vUidqHRg3XM2X2xOVBkFWHl028crQtp9YbJ2plk3BT6FkxTL9njjSX7qsmk0f7boRGnuQ6tnbP97QZE​%252FEfjynA3tp07Ayb4Ux1dCFwQKAkEFpwPtgD3Cb9wKIK9njRFfUbBwZDXDWIWlascdItEHBe4CmoO​A831UQtQqFCelSfy620dpKoRc7k3weuf%252FBqE8pEE%252B2v%252FCVnfqC%252BJzAYLM6to2N5T​s6DD%252FsH8OYVl1IkVvYGYMboVbNKImROS0lbMXELENRqfdmkB5En2aMvLzkkO1pYKj9OLB3KukYuD​mMAtOZPK48HvcURKqQ94zUOJqzwz%252BRGtGC1KQtd9VIvw9SIstT7WCb1nhl0mD5sBjXY3Le4A8qC8​cHGSZX%252BnH%252BCgQYNm2ovE4wc8JpPUV4zKHO8yp3SPd8p9SRanMh2L%252BKudHWvy8ScPFeIM​AcqD5YuVEHw00sqs%252BuPkOOfWQr%252BmBi1Bav2WJtQguNIhyMIrQXuabNmiHRtGYBixcYTP7iW5​g4Y8lk%252BSLfY3gmJjtejf5fYmQLXqtzMXFW4rqBGkOu6rhyRr2CrFaoxPOgXajGzW8m2t7OZF7mYD​uXQFAcDVybZNC7m8AZcq%252FHLuqXAVLMZfU77AwYRB7YT3I8f3leCYTRhABPkvoRVZcRtRKInFDUqz​BCFShzXOeXjslfQAlUFFKNAUsXl%252FMzOJKR3OzCx2QWRzXIeh1OlHi8x1G5atZbO5kSwa%252BIWr​YSNUpnlOPEjmrI6CyQuCb0XHAVy99lt9IG2DXziM%252FyqAotCFFcA%253D%253D%7Ccksum%3A1937​2029271598d352b9a11c4bd2883b04de75483bf6%7Campid%3APL_CLK%7Cclp%3A2334524

https://www.ebay.com/itm/Shimano-Acera-7-Speed-11-28T-HyperGlide-Road-Mountain-Bicycle-Cassette-CS-HG41/283158914070?epid=2254377136&hash=item41ed962416:g:PWoAAOSwBuVe6Sv1

https://www.ebay.com/itm/New-NOS-Shimano-STX-RC-FC-MC33-crank-set-42-32-22-tooth-170mm-with-guard/203184946085?hash=item2f4ec43ba5:g:h6sAAOSwDkJfRhNc
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#3
Thanks. I'll see how much of this stuff is available in the UK
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