Ryan and Steve, thank you for your responses. Steve, the bike takes a tumble on a monthly basis (I am a teacher and park my bike in the classroom; at home the dogs and children manage to knock it over regularly). In regard to index shifting on a 6 and 7, here is the product write up from the rivendell site:"Shimano's best bar-end shifters,the Dura-Ace's are indexable only with 9-speed cassettes; the Ultegras index good enough with 6, 7, or 8 speed cassettes and both work with a friction mode, too----so if the "good enough" isn't good enough, throw it into friction, cowboy, and ride away. " I will definitely have to make sure they are compatable with my 7 speed cassette. Thanks again for taking the time to respond. Safe cycling, Erl
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