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Shimano 105

Physical Product · Climbing, cycling & water sports gear · 50 mentions · 2 subreddits · discussed in r/cycling, r/bicycling

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • the Shimano 105 is pretty much all the groupset you’ll ever need for road riding.
  • the 105 is a workhorse groupset, with almost as much precision as the higher-cost Ultegra and only a few more grams in weight, but far more consistent for extensive and extended riding than the Tiagra.
  • If you can find one, a bike with 11-speed Shimano 105 or Ultegra would be great. It's the previous generation at this point but those groupsets are great.
  • 105 groupset is worth the extra money, in my opinion.
  • One option could be to swap your group set and “upgrade” to a shimano 2x road set, like 105.

Cons

  • Gear set: Shimano 105, 11 speed
  • I’ve had some shifting issues lately and it feels like it’s on its way out. 2014 new.
  • The current component set is Shimano 105, with a triple crank--no idea if they are original
  • 105 is 300g heavier than Ultegra, which isn't really much at all in the grand scheme of your overall system weight, but I do want to upgrade next year.
  • 2.Shimano 105

Sentiment

38 positive (76%) · 11 mixed (22%) · 1 negative (2%)

Trust + time weighted score: +71% · raw score 74%

What redditors said (10 of 50)

the Shimano 105 is pretty much all the groupset you’ll ever need for road riding.
positive · u/M****o · r/cycling · comment · Dec 22, 2025 · open on Reddit ↗
the 105 is a workhorse groupset, with almost as much precision as the higher-cost Ultegra and only a few more grams in weight, but far more consistent for extensive and extended riding than the Tiagra.
positive · u/m****k · r/cycling · comment · Dec 21, 2025 · open on Reddit ↗
If you can find one, a bike with 11-speed Shimano 105 or Ultegra would be great. It's the previous generation at this point but those groupsets are great.
positive · u/z****0 · r/cycling · comment · Dec 15, 2025 · open on Reddit ↗
105 groupset is worth the extra money, in my opinion.
positive · u/j****3 · r/cycling · comment · Dec 15, 2025 · open on Reddit ↗
One option could be to swap your group set and “upgrade” to a shimano 2x road set, like 105.
positive · u/d****p · r/cycling · comment · Dec 11, 2025 · open on Reddit ↗
Gear set: Shimano 105, 11 speed
mixed · u/m****a · r/cycling · comment · Dec 10, 2025 · open on Reddit ↗
I’ve had some shifting issues lately and it feels like it’s on its way out. 2014 new.
negative · u/s****g · r/cycling · Dec 4, 2025 · open on Reddit ↗
The current component set is Shimano 105, with a triple crank--no idea if they are original
mixed · u/G****s · r/bicycling · Dec 3, 2025 · open on Reddit ↗
Shimano 105 is awesome, manual or Di2. They should all be 2x12.
positive · u/l****f · r/cycling · comment · Dec 2, 2025 · open on Reddit ↗
There's quite a lot of offers for brand new 105, because people upgrade brand new bikes to di2. Usually it's reasonably priced. You can find it for $400 here in Europe. The old 105 could be cheaper, but why buy used when you can have brand new. 105 may seem a bit more expensive to maintain, but it's more durable, so it's not that much of a difference in the long run.
positive · u/S****e · r/cycling · comment · Nov 28, 2025 · open on Reddit ↗

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