Thumbie set up

How do you position your thumb shifters?

  • Parallel to the floor

    Votes: 3 17.6%
  • In line with the brake levers

    Votes: 9 52.9%
  • None of the above

    Votes: 5 29.4%

  • Total voters
    17

Titiritero

Retro Guru
I was finishing a bike with Deore DX thumbies, and the question came on how to position them for better "ergonomics" + looks. And since this forum has probably the highest percentange of thumb shifter users in the cycling world, here is the question.
Brake.JPG Floor.JPG
 
I've always ran them parallel to the floor until a few weeks back whilst building my M1000 commuter when i thought I'll just try them pushed further down so inline with the levers and have found it much more comfortable to ride for my hands and a lot more Intuitive.
 
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actually I'm more fan of putting them a bit more up, not exactly horizontal but more straight than the levers.

Just I think not mounting them exactly next to the levers but leave 5-15mm of space in between is even more important for good ergonomics.
Because the shift lever is meant to been used with the top of you thumb. While your hand should be typically placed right to the brake lever, and forefinger or even left 3 fingers at the brake lever.
Mounting thumb shifters too close is to me blocking a proper usage of the brake lever if the shift lever is in the 3 o'clock position to the right.
 
actually I'm more fan of putting them a bit more up, not exactly horizontal but more straight than the levers.

Just I think not mounting them exactly next to the levers but leave 5-15mm of space in between is even more important for good ergonomics.
I am in total agreement with this statement IMG_20240705_094510285.jpg
Brake levers placed in line with the arm, so I can keep two fingers on them without bending the wrist. Thumbs rotated a few degrees up from there, 15-20 mms of space between the two. There's also space between the grip and the brake lever, but that's because the grips are too short.
 
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