The shimano slx m671 a 10 speed front derailleur is available in four options so you can find the one perfect for you itrsquos available with a dual pull design for use with top or bottom cable routing or therersquos the top pull option which gives you increased tyre clearance on 29ers as for fitment the derailleur either has a direct frame fit for quick easy installation with perfect alignment or there is a conventional swing option the conventional swing derailleurs have a multi fit