September 30, 2009 YiPsan ModificationsTECH519Views0Likes0Comments Lately I have made quite a few modifications to my YiPsan mountain bike. On the list was an XTR crank, a new bash guard, Effetto Mariposa Caffelatex tubless gunk, and a Shimano SLX double specific front dérailleur. This post is regarding the latter. Read more