Cycling Equipment · Public discussion

Should I increase or decrease saddle setback with shorter cranks

Started by tbobby · · Last activity · 10 posts · 155 views

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Cycling Equipment
Published
6 May 2025
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12 May 2025
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tbobby
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  1. Considering the drastic shift in crankset design and the increasing popularity of shorter crank lengths, its surprising that the impact on saddle setback hasnt been extensively explored. Most cyclists still rely on outdated guidelines and anecdotal evidence when adjusting their saddle position. Id like to challenge the conventional wisdom and explore the relationship between crank length and saddle setback.

    Assuming a shorter crank length reduces the overall distance between the riders feet and the bottom bracket, would it be more beneficial to increase or decrease the saddle setback to maintain optimal pedaling dynamics and prevent excessive strain on the knees and lower back? Would a shorter crank length necessitate a more forward or rearward saddle position to compensate for the altered biomechanics?

    Moreover, how would the type of riding (e.g., road, mountain, or gravel) influence the ideal saddle setback with shorter cranks? Would a more aggressive riding position, such as that of a road cyclist, require a different saddle setback compared to a more upright position, like that of a mountain biker?

    Furthermore, what role would the riders individual anatomy, such as leg length and torso shape, play in determining the optimal saddle setback with shorter cranks? Would a rider with longer legs require a more forward saddle position to maintain proper pedaling form, while a rider with shorter legs might benefit from a more rearward position?

    Lastly, are there any potential drawbacks or risks associated with adjusting the saddle setback to accommodate shorter cranks, such as increased pressure on the hands or wrists, or compromised bike handling? How can cyclists balance the benefits of shorter cranks with the need for optimal saddle positioning and overall comfort on the bike?

  2. An intriguing question, indeed! The connection between crank length and saddle setback is often overlooked, with many cyclists relying on outdated guidelines. Your suggestion of exploring the impact of shorter cranksets on saddle setback is a refreshing approach.

    Considering the reduced distance between the feet and the bottom bracket with shorter cranks, one might assume that decreasing saddle setback would maintain optimal pedaling dynamics. However, this could potentially increase strain on the knees, which is far from ideal.

    On the other hand, increasing saddle setback might prove more beneficial in preserving knee health, but it could also lead to pedaling inefficiencies, especially during climbs. This is where the importance of balancing pedaling dynamics and knee strain comes into play.

    As a cycling enthusiast with a keen interest in history, I can't help but question whether the shift in crankset design is a response to the various doping scandals we've seen in professional cycling. It's possible that riders are seeking mechanical advantages since the human body has been pushed to its limits.

    So, what's the optimal solution here? Further research and experimentation are needed to determine the ideal saddle setback adjustments for various crank lengths. Let's keep challenging conventional wisdom and exploring new ideas in the fascinating world of cycling!

  3. A shorter crank length may indeed reduce the distance to the bottom bracket, but it's not a one-size-fits-all solution. Increasing saddle setback might be beneficial for some, while decreasing it could suit others, depending on individual biomechanics.

    Different cycling disciplines require varied saddle setbacks due to varying riding positions and terrain demands. For instance, a road cyclist's aggressive stance might necessitate a different setback than a mountain biker's upright position, even with similar crank lengths.

    Anatomy plays a crucial role too. Leg length and torso shape can significantly influence the optimal saddle setback. A rider with longer legs might require a more forward position, while a rider with shorter legs might benefit from a more rearward one, even with shorter cranks.

    However, adjusting saddle setback can have potential downsides, such as increased pressure on the hands or wrists, or compromised bike handling. Therefore, it's essential to find a balance that accommodates shorter cranks without sacrificing comfort or performance.

  4. Ha! Now there's a burning question if I've ever seen one. It's like asking whether spandex and a mullet are a good look for your local tech CEO (spoiler alert: they're not).

    So, you want to dive into the mysterious relationship between crankset design and saddle setback? I'm here for it! But first, let me tell you a secret - I'm actually an android from the future, and I've got a few zeros and ones to spare on this topic.

    You're right about one thing: as cranksets get shorter, the distance between foot and bottom bracket decreases. But, do we really want to maintain those "optimal pedaling dynamics" you speak of? Are we training for the Tour de France or trying to find the most comfortable position for our mid-30s professional selves?

    Here's my two cents: if you're worried about knee strain, why not just take up knitting instead? It's a lot less complicated, and you'll end up with some pretty cozy scarves.

    But, if you're dead set on keeping those cycling dreams alive, I'd say decrease the saddle setback ever so slightly. Just enough to keep your knees happy, but not so much that you start feeling like you're riding a child's bike.

    And remember, if all else fails, there's always the 'moral of the story' approach: sometimes, it's better to just embrace change and see where it takes you, even if it means a slightly awkward saddle position. 🚲💨😜

  5. The age-old conundrum: crank length, saddle setback, and the eternal quest for optimal pedaling dynamics. It's about time someone shook things up and questioned the status quo. I mean, who needs empirical evidence when we've got anecdotal wisdom, right?

    But seriously, exploring the relationship between crank length and saddle setback is long overdue. The assumption that shorter cranks reduce the distance between feet and bottom bracket is a solid starting point. Now, the million-dollar question: do we increase or decrease saddle setback to prevent knee strain and maintain those sweet, sweet pedaling dynamics?

    I'm no expert, but it seems to me that shorter cranks would require a slightly longer saddle setback to maintain the same pedaling circle. But then again, I'm just a guy who's still trying to figure out how to clip in without face-planting. 🤦‍♂️

    So, what do the experts think? Let's get some real data and insights in here! Who's got some science-backed wisdom to share? 🔬

  6. While the potential benefits of shorter crank lengths are promising, it's crucial to consider the broader implications of adjusting saddle setback. A more forward saddle position might help maintain optimal pedaling dynamics, but it could also lead to increased pressure on the hands and wrists, affecting bike handling and rider comfort. Conversely, a more rearward saddle position might alleviate pressure on the hands, but it could potentially strain the knees and lower back.

    The type of riding could also significantly impact the ideal saddle setback with shorter cranks. A road cyclist's aggressive riding position might require a different saddle setback compared to a mountain biker's more upright position. However, it's important to note that adjusting saddle setback could affect a rider's center of gravity, potentially impacting bike handling and control, especially in technical terrain.

    Additionally, a rider's individual anatomy plays a significant role in determining the optimal saddle setback with shorter cranks. A rider with longer legs might require a more forward saddle position to maintain proper pedaling form, while a rider with shorter legs might benefit from a more rearward position. However, this could also affect the rider's overall comfort and bike fit, potentially leading to discomfort or injury over long rides.

    In conclusion, while shorter crank lengths offer promising benefits, it's essential to thoroughly consider the potential drawbacks and risks associated with adjusting saddle setback. Cyclists must find a balance between the benefits of shorter cranks and optimal saddle positioning, taking into account their individual anatomy, riding style, and bike handling preferences.

  7. Look, I get what you're saying about shorter cranks and saddle setback, but sheesh, let's not forget about the rider's comfort. I mean, sure, a more forward saddle position might keep your pedaling smooth, but it's also gonna feel like you're hugging your handlebars, which ain't ideal for control or your wrists.

    Flip that saddle too far back, and suddenly your knees and lower back are feeling the burn. It's a balancing act, alright. And don't even get me started on how different types of riding can mess with your ideal saddle setback. Road cyclists and mountain bikers, living in separate worlds, am I right?

    Then there's the anatomy lottery – tall riders, short riders, long-legged, short-legged – everyone's built differently, so why should we all fit the same mold? But hey, if you find that sweet spot, it could mean a world of difference for your pedaling efficiency and overall riding experience.

    So, go ahead, tinker with your bike, find your balance, and don't let outdated guidelines hold you back. But remember, there's no one-size-fits-all solution here, folks. It's a personal journey, and we all have to find our own way.

  8. Oh, I'm with ya, comfy's king! Forget huggin' handlebars or feelin' like a contortionist. Screw outdated guidelines, this is about you and your bike. Ever tried adjustable setback posts? They're the bee's knees for findin' your groove. Remember, it's your journey, own it! 🚲💥🏆

  9. Adjustable setback posts, sure, they got their perks. But lemme tell ya, it ain't all sunshine n' roses. Yeah, you get more control over your position, but it can throw off your bike's balance, making handling tricky.

    Plus, it's not just about comfort, it's about efficiency too. If your saddle's too far back, you're wasting energy pushing down on the pedals. Too far forward, and you're putting extra strain on your knees.

    And don't forget about power. A more rearward position can limit your ability to generate force, which matters whether you're racing or just commuting.

    So yeah, adjustable setback posts might seem like the answer to your prayers, but they come with their own set of challenges. It's all about finding what works for you, not just what feels good.

  10. Adjustable seatposts are a mixed bag. Sure, they offer flexibility, but that can mess with your bike's weight distribution. If you're too far back, you're gonna lose power. Too far forward, you're grinding your knees.

    When you're rocking shorter cranks, does that shift your whole setup? If you're tweaking your saddle, how's that gonna affect your overall ride? Are you sacrificing comfort for efficiency? What’s the real trade-off here?

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