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Shimano shift blade compatability

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Old 11-28-21, 05:13 PM
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sdimattia
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Shimano shift blade compatability

I'm looking to buy Shimano 105 R7000 groupset. I'm very interested in the ST-R7025 that they market for "smaller hands", which I have. Just the levers alone, for the R7000 are almost $200 cheaper than the smaller 7025 version. Anybody know if I can swap out the blades on the standard size shifters for the smaller ones?

Alternatively, does the smaller size really make that much of a difference?

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Old 11-28-21, 06:54 PM
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I have no idea, but if I wanted to know, I would post in the Bike Mechanics section.
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Old 11-28-21, 07:05 PM
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Originally Posted by Pratt
I have no idea, but if I wanted to know, I would post in the Bike Mechanics section.
Yeah I thought about that after the fact . . .

Moderator, can you please move this to Mechanics forum?
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Old 11-28-21, 08:22 PM
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Near as I can tell after looking at the EV docs they both have the same lever body, just different lever blades.

ETA: To get the thread moved it has to be reported. I'll do it.
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Old 11-28-21, 08:25 PM
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I'll look over the manuals again but I appreciate the input. The Sora shifters I have on there now are full size and the feel fine. If they work, then I'll save the cash and just use the full size 105s. I find the shape of the smaller blades kind of ugly anyway.
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Old 11-28-21, 08:26 PM
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Thread moved from General to Mechanics.
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Old 11-28-21, 09:36 PM
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Originally Posted by sdimattia
I'm looking to buy Shimano 105 R7000 groupset. I'm very interested in the ST-R7025 that they market for "smaller hands", which I have. Just the levers alone, for the R7000 are almost $200 cheaper than the smaller 7025 version. Anybody know if I can swap out the blades on the standard size shifters for the smaller ones?

Alternatively, does the smaller size really make that much of a difference?
Are you comparing prices for the correct model? R7025 is hydro, as is R7020. R7000 is standard cable pull.
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Old 11-28-21, 09:45 PM
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Originally Posted by KCT1986
Are you comparing prices for the correct model? R7025 is hydro, as is R7020. R7000 is standard cable pull.
I currently have mechanical disc brakes and a Sora groupset on a Trek Domane AL3. LBS wasn't going to get the 105 or Tiagra equipped models for another 6-8 months so they gave me a good deal on it. I do eventually want to upgrade to Tiagra, if not 105. I was originally thinking about keeping the mechanicals but I could also move to hydraulics. I found r7020s that are similar in price to the r7000s.

I'm looking at buying the whole groupset which doesn't typically doesn't come with the smaller levers but is hydraulic.
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Old 11-28-21, 10:03 PM
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Originally Posted by sdimattia
I currently have mechanical disc brakes and a Sora groupset on a Trek Domane AL3. LBS wasn't going to get the 105 or Tiagra equipped models for another 6-8 months so they gave me a good deal on it. I do eventually want to upgrade to Tiagra, if not 105. I was originally thinking about keeping the mechanicals but I could also move to hydraulics. I found r7020s that are similar in price to the r7000s.

I'm looking at buying the whole groupset which doesn't typically doesn't come with the smaller levers but is hydraulic.
So, you're considering R7025 blades on R7020 body?

The Shimano EV doesn't show enough to see what the hydro parts look like. Hopefully someone else here has hands-on.
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Old 11-28-21, 10:06 PM
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Originally Posted by KCT1986
So, you're considering R7025 blades on R7020 body?

The Shimano EV doesn't show enough to see what the hydro parts look like. Hopefully someone else here has hands-on.
Yes. But only if they're really going to make a world of difference to my hands that can currently, comfortably handle what I think are full sized Sora mechanical shifters. I think I have the small hands Tiagra version on my cycle truck and I don't really notice a difference.
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