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My current bicycle is a 2013 Specialized Allez C2. It has an 8 speed rear cassette. I'd like to put in a TT handlebar. It's a given that I'll have to change the brake levers, as well as the shifters and associated cables. Now, I spoke with a repair guy at Cynergy Cycles, and he said that there are no 8 speed front end bar shifters, so pretty much the whole drive chain would have to be replaced… I looked it up and found only one: a Shimano Ultegra SL-BS64 Shifter. Would that pretty much do the job? or would anything else need to be changed as well?

  • Have you thought about the geometry impact? Road bikes have a longer top tube than TT bikes so can be quite far to reach. I've just about gotten away with clip-on aero bars on my Tarmac after sliding the seat all the way forward. Though I've only put on for triathlons and then taken them off again. – adey_888 Sep 10 '14 at 0:36
  • That would explain the original poster's other question. – Batman Sep 10 '14 at 1:16
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    You should probably find a new mechanic. That guy is either too lazy or incompetent to find you the part you need, or he just straight-up lied to you to sell you more parts. Whichever the case, he doesn't deserve your business. – jimchristie Jan 8 '15 at 2:30
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Pretty much any 8 speed Shimano-compatible bar end shifter will work if you're running a Shimano drive train (If you're running SRAM, you'd obviously need a SRAM compatible one).

Those will work, as will the ones from Microshift 8 speed among others. You'll need to re-run your cables, obviously, though.

  • Another option if you don't find the right bar end shifter is to just throw a higher speed cassette on there then get a compatible bar end shifter. The derailleurs don't need to change. – Batman Nov 9 '14 at 15:42
  • You can run SRAM by using the 8-speed bar end shifter in friction mode (without indexing). Most bar end shifters have this mode (except for the 10+ speed Shimano bar end shifters). – Rider_X Jan 9 '15 at 21:23

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