Chain ES525XC-140L
1) “X”-ring chains have about 1.5 times longer wear resistance than Izumi’s “O”-ring chains.
2) About half the power loss compared with Izumi’s “O”-ring chains
Chain ES525XC-140L
1) “X”-ring chains have about 1.5 times longer wear resistance than Izumi’s “O”-ring chains.
2) About half the power loss compared with Izumi’s “O”-ring chains
 “X”-ring chains have about 1.5 times longer wear resistance than Izumi’s “O”-ring chains. 2) About half the power loss compared with Izumi’s “O”-ring chains){kind=link}