Wippermann connex 10sb chain black editionat a width of 59 mm these chains are compatible with all 10 speed systems available on the market premium materials combined with extremely chamfered shaped outer plates guarantee a long and dependable life and outstanding shifting performance the stainless steel material used for the inner link of the 10s1 and 10sx models is an additional protection against wear on expensive drive train components the included connex link enables you to assemble