I just built a mechanical, internal routed bike with:
New internal liners, new cable outers, and new cable but i seem to be unable to get the proper tension for shifting all the way to the lowest gears even though the L/H and limit are set up correctly.

You can see in the video where it stops.

I tried a new cable, to pull as much as possible when clamping the cable, but i cant seem to find a solution

What else am i missing?

Cant get the last gears
byu/GFlunk inbikewrench



by GFlunk

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13 Comments

  1. Does the shifter you’re using have the same amount of gears as are on the sprocket? I’m not an expert but it could be a logical explanation for not reaching all the gears

  2. Cable tension, doesn’t seem to be the problem . Did u set the little sprocket with out cable tension first. Then set cable tension snug ,then st the big sprocket.

  3. Next-Ease-262 on

    Need to pull the derailleur away from the frame to simulate the chain getting shorter as the rear gears get larger.

  4. The derailleur barely moves on the first 2-3 clicks. Have you routed the shift housing correctly?

  5. Is it internally routed through the stem and headset or do the cables enter the frame on the headtube or downtube?

    Are the housing ferrules fully seated on the housing? Sometimes they will shift into place, reducing the cable tension.

  6. Set the little sprocket with out the big with chain and cable tension . If that’s not it, next could only be not enough tension .

  7. Ordinary-Condition92 on

    It’s cable tension, you need to disconnect the cable from the derailleur, shorten the adjuster, then pull the cable as you press the small shifter. This will make sure the cable and shifter are in the smallest gear and the slack is pulled through. Reconnect the cable, final tweaks on tension, set H L limits and done.

    If this doesn’t work you either have incompatible shifter derailleur combo or the shifter is broken.

  8. bizzileb1tch on

    Are you sure you clicked to the smallest cog on the shifter before clamping the cable?

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