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Shiman Z401 cable pull Enough for 8 sp.

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Shiman Z401 cable pull Enough for 8 sp.

Old 01-27-24, 06:09 PM
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Shiman Z401 cable pull Enough for 8 sp.

Will the clamp on friction downtube shifters labeled Z401 pull enough cable to shift an 8 speed cassette?

thanks
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Old 01-27-24, 07:42 PM
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Originally Posted by imabeliever1
Will the clamp on friction downtube shifters labeled Z401 pull enough cable to shift an 8 speed cassette?

thanks
Maybe, but with a barrel that small (made for 6 or maybe 7 speeds), the lever will be pulled way back. It might not make it to all 8 gears before hitting 180* from the starting position.
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Old 01-28-24, 12:01 AM
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If it comes up short, you can position the cable to the other side of the pinch bolt, which will alter the actuation (pull ratio) of the rear derailer, getting more cage motion for less lever movement.
I sometimes do this with index and even friction setups, when I either want to use otherwise-incompatible indx-shifters and derailers, or when I want a friction-shifted derailer to have a quicker action in response to lever movement that is closer to what I am familiar with.
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Old 01-28-24, 03:18 PM
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These? Or theor downtub mounted cousin? I believe they should but you want to make sure the cable has no slack. I'm using some old Golden Arrow, the kind that need shipmao's funky shifter bosses, with a Velocel (I think 9+spd) on a Campi 8spd cassette and I don't recall any problems getting to the 1st cog.

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Old 01-28-24, 06:41 PM
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If those shifters will pull enough cable for 9s Campag, they will pull more than enough cable for any Shimano 8/9/10s road derailer.
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Old 01-28-24, 07:23 PM
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If you want it to pull more cable just slide a piece of the inner lining of shifter housing or a piece of shrink tubing over the backer at the shifter. This will make the effective diameter larger.
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Old 01-29-24, 02:34 AM
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Originally Posted by dddd
If it comes up short, you can position the cable to the other side of the pinch bolt, which will alter the actuation (pull ratio) of the rear derailer, getting more cage motion for less lever movement.
I sometimes do this with index and even friction setups, when I either want to use otherwise-incompatible indx-shifters and derailers, or when I want a friction-shifted derailer to have a quicker action in response to lever movement that is closer to what I am familiar with.
i'm very interested in this post :does this photo show what you're describing ?

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