worn cassette

Hey everyone i have a 12 speed sram system with a gx axs deralier and a nx cassette that has worn out recently and was condering what cassette I should go for when I want max durability. I am not willing to get rid of my gx axs deralier and I have a hg freehub body. The options I have seen are...

Evening all. Quick cassette question - the chain is skipping around one of the middle gears of my E-160 S. The stock cassette is a SRAM PG1210. These don’t seem to available except as part of a build, so what is the nearest (and most affordable) compatible replacement? 1230? Thanks and I hope...

Hi, I tried riding new E-MTB with full boost mode without power pedal assist, i did it in order to test its battery and ranger per charge, i was able to do it, but i found it was a bit abnormal when i heard the noise , 1st i thought the noise was from the chain , it happened when the speed was...