02-29-2012, 10:16 PM
Hi CJ. SIS stands for Shimano Index System so, yes, your SIS drlr will work as intended with the Top Mount TX30 shifters.
Rob
Rob
Wheelies don't pop themselves. (from a QBP fortune cookie)
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Are these compatible? - cyclist junior - 02-29-2012, 06:48 PM
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