The shimano slx range is a real 39best of39 compilation of the company39s technologies it39s light it39s designed to suit any style of mountain bike and a full range of rider preferences and yet it39s still priced to be totally affordablefor most riders with an eye on budget but still wanting excellent performance and trail toughness whateverwherever they ride slx is the groupset for you the shimano slx cassette is tough aggressive and light weight ideal for super narro