Hi, I have an FS Elite Grand Teton with Shimano SIS shifters (18 speed). I get the basic shifting principles, but both shifters have another lever with two positions: SIS and F. Can you please explain these levers to me? I haven't operated the bike in the F postition, because I don't know what it means. 😕 Thanks.
Cycling Equipment · Public discussion
Shimano shifter
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- Cycling Equipment
- Published
- 6 September 2010
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- 10 September 2010
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- douglj
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If you have what I think you have. As in older style shifters. Then the F position means friction shifting. Lever will not click or 'index' into place for each gear. You have to 'feel' it. Old school style.....
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SIS = Shimano Index System
F = FrictionThe SIS will 'click' into the gears. The F will let you search for the gear. I guess the Friction would be useful if the dérailleur needs adjustment and the placement is not quite aligned in the SIS mode and it makes some dérailleur noise as it's not quite in the gear.
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Thanks for your help, Friends. I tried the friction setting, and found it to be way more work than a new rider like me needs. The convenience of the SIS setting makes riding much more enjoyable. Now that I know, I won't fret about it anymore.🙂
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Those are great shifters to have though. Keep them, they can come in handy. Some Touring bikes come equipped with those, though only in Dura Ace at this point.
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