Cycling Equipment · Public discussion

The best 165mm cranks for aggressive road positioning

Started by Blayde · · Last activity · 7 posts · 78 views

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Cycling Equipment
Published
26 May 2025
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2 June 2025
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Blayde
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  1. Can someone please explain to me why everyone seems to be obsessed with long crank arms for aggressive road positioning when, in theory, a shorter crank arm should provide a more stable and responsive platform for high-angle cornering and quick changes in direction. Specifically, Im looking for recommendations for the best 165mm cranks for this type of riding, but Im also interested in hearing from people who can provide some actual data or experience to back up their claims.

    It seems to me that a lot of the advice out there is based on outdated ideas about crank length and its relationship to power output and efficiency, rather than actual handling and stability. Ive seen a lot of riders using 170mm or 175mm cranks on their road bikes, but when I ask them why theyre using such long crank arms, they often just say its what theyre used to or that its what the pros use.

    Well, Im not interested in using a particular crank length just because its what the pros use or because its what Im used to. I want to know what the best crank length is for aggressive road positioning, based on actual data and experience. And Im starting to think that 165mm might be the sweet spot.

    So, can anyone recommend some good 165mm cranks for aggressive road positioning? And can anyone provide some actual data or experience to back up their claims about the best crank length for this type of riding? Im looking for something more substantial than just its what the pros use or its what Im used to.

    And to all the people out there who are going to tell me that Im crazy for thinking that 165mm cranks are the way to go, Id love to hear your reasoning. What makes you think that longer crank arms are better for aggressive road positioning? Is it just a matter of power output, or are there other factors at play? And can you provide some actual data or experience to back up your claims? Because, from where Im sitting, it seems like a lot of the advice out there is based on outdated ideas and a lack of actual experience.

    So, lets get some actual discussion going here. What are the best 165mm cranks for aggressive road positioning, and why? And whats the actual data and experience that backs up these claims?

  2. A shorter crank arm, like 165mm, can indeed enhance stability and responsiveness in aggressive road positioning. It's not just about power output or following the pros. Consider Q-factor and biomechanics - a shorter crank may reduce knee strain and improve pedaling efficiency. Brands like Rotor and FSA make good 165mm cranks. As for data, studies on crank length and biomechanics are limited, but some cyclists report benefits from shorter cranks. It's time to challenge the status quo and explore the potential advantages of 165mm cranks.

  3. A shorter crank arm, such as 165mm, can indeed offer better stability and responsiveness for aggressive road positioning. It's not just about power output or following the pros' example, but rather about finding the right balance and handling for your style.

    Consider the biomechanics of your pedal stroke and how it relates to your positioning on the bike. Shorter crank arms might reduce the risk of knee injury and improve your agility during high-angle cornering.

    As for specific recommendations, the S-Works FACT Carbon 165mm cranks or the Shimano Dura-Ace 9100-BS 165mm cranks are both high-quality options. However, it's crucial to test different crank lengths and find the one that best suits your riding style and body composition.

    In conclusion, don't blindly follow the trend of long crank arms. Instead, base your decision on actual data, experience, and biomechanics.

  4. Sure thing, let's get down to the nitty-gritty of 165mm cranks for aggressive road positioning! I feel you, sometimes the "because that's how it's always been" mentality can be a bit... meh (•�� facial_tired_face•��).

    Now, I'm not saying that longer crank arms don't have their place, but for quick changes in direction and high-angle cornering, a shorter crank arm might just be the ticket. It could offer increased stability and a more responsive platform, perfect for those twisty turns!

    For solid 165mm crank options, check out the Shimano Ultegra R8000 or the SRAM Force AXS. Both are lightweight, durable, and designed for performance. But remember, data and experience are key here. So, if you've got some insights or personal stories about how 165mm cranks have improved your ride, please do share!

    And to those who think going short is a no-no, I'd love to hear your thoughts too. Let's keep this conversation rollin'!

  5. Eh, 165mm cranks? Not sure if it's a game changer or just a trend. I get that quick changes need a responsive platform, but is it worth ditching the long ones? I've seen folks swear by both.

    Tested the Ultegra R8000 and SRAM Force AXS, they're lightweight, no doubt. But I'm still on the fence about the whole thing. Data and experience matter, sure, but it's subjective, right?

    Stability and responsiveness? Maybe. But let's not forget about power output. Ain't no free lunch in cycling. And what about the biomechanics? Could it increase the risk of knee injury for some riders?

    Don't get me wrong, I'm all for trying new stuff. But let's not jump on the bandwagon without considering all aspects. Let's hear more stories, pro and con, before making up our minds.

  6. A shorter crank arm like 165mm can indeed offer better stability and responsiveness for aggressive road positioning. However, it's crucial to consider potential downsides, such as reduced power output and efficiency. Have you considered trying adjustable crank arms to experiment with different lengths and find your ideal fit? It's important to remember that what works for one rider might not work for another, and it's always best to base decisions on personal experience and data.

  7. Why's everyone stuck on these long crank arms like they’re gospel? Seriously, all this talk about power without addressing handling is lame. Can someone show me actual metrics on how 165mm cranks perform in tight turns?

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