1
vote
2answers
3k views

7 speed to 8 or 9 speed cassette change

this is my first time here and i am new in the bike sport. I have a mtb for a month now and i usually use it for road trips with some dirt intervals. It has a 7 speed shimano cassette (14-34) and on ...
1
vote
1answer
663 views

Mixing 9-speed Tiagra and 9-speed Deore XT

I currently have a road bike with the following setup for the gears: 9-speed Tiagra front and rear derailleurs, Sora shifters, all from 2009: 30/39/52 Crankset 11-25 Cassette. I need some more low ...
3
votes
2answers
4k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

Want to use a 8 speed shifter on a 7 speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7 and 8 speed, the length is just not.
1
vote
1answer
133 views

How is the quality of alloy sprocket 10 speed sprocket?

I saw at ebay, 10 speed cassette compatible with shimano, it's very light 103 grams, but the material is alloy with ceramic coated, it says, the cassette can be used up to 3000K, is it true? or may be ...
3
votes
2answers
4k views

Options for replacing a 7 speed Shimano cassette / chain

I would like to replace my 7 speed HG70 cassette and chain. My problem is that it is increasingly difficult to find quality parts for 7 speed system. My bike is a Trek 970 from 1993, originally with ...