Cassettes from Sram available in several qualities and the more expensive the cassette is the longer it can be used. However, this theory is only valid if you make sure to choose a chain of comparable quality.

Assembly: The cassette is placed over your rear hub and secured with a locking ring tightened with a wrench ( Trigger ). It has 12 pins. Lock ring included with this product.

PG-830 is:

11-28

11-30

11-32

PG-850 is:

12-23

12-26