{"id":478,"date":"2026-04-09T09:00:00","date_gmt":"2026-04-09T08:00:00","guid":{"rendered":"https:\/\/blog.citrus-lime.com\/rmcy\/?p=478"},"modified":"2026-04-15T09:36:15","modified_gmt":"2026-04-15T08:36:15","slug":"why-are-cyclists-switching-to-shorter-cranks","status":"publish","type":"post","link":"https:\/\/blog.citrus-lime.com\/rmcy\/why-are-cyclists-switching-to-shorter-cranks\/","title":{"rendered":"Why Are Cyclists Switching to Shorter Cranks?"},"content":{"rendered":"\n<p>If you\u2019ve been paying attention to pro bikes, bike fits, or even your local fast group ride, you\u2019ve probably noticed a growing trend: <strong>shorter crank lengths<\/strong>.<\/p>\n\n\n\n<p>What used to be standard (172.5mm or 175mm) is quickly being replaced by <strong>170mm, 165mm \u2014 and even shorter<\/strong> setups.<\/p>\n\n\n\n<p>So why is this happening? And should you consider making the switch?<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">The Core Idea: Smaller Circles, More Efficiency<\/h2>\n\n\n\n<p>Crank length determines the size of the circle your pedals travel.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Longer cranks = bigger circle<\/strong><\/li>\n\n\n\n<li><strong>Shorter cranks = smaller circle<\/strong><\/li>\n<\/ul>\n\n\n\n<p>A smaller circle means:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less joint movement<\/li>\n\n\n\n<li>Faster leg turnover (cadence)<\/li>\n\n\n\n<li>A more compact, efficient pedalling motion<\/li>\n<\/ul>\n\n\n\n<p>It\u2019s not about losing power \u2014 it\u2019s about <strong>delivering power more efficiently<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">1. Better Aerodynamics<\/h2>\n\n\n\n<p>One of the biggest reasons pros are moving to shorter cranks is <strong>aero gains<\/strong>.<\/p>\n\n\n\n<p>Shorter cranks:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduce how high your knee comes up at the top of the pedal stroke<\/li>\n\n\n\n<li>Allow for a <strong>lower, more aggressive position<\/strong><\/li>\n\n\n\n<li>Open up your hip angle while staying low<\/li>\n<\/ul>\n\n\n\n<p>The result: <strong>less drag without sacrificing power<\/strong><\/p>\n\n\n\n<p>This is especially important in modern racing, where <strong>aero gains often outweigh small power differences<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Improved Hip Angle &amp; Comfort<\/h2>\n\n\n\n<p>With longer cranks, your hips close more at the top of the stroke \u2014 especially in aggressive riding positions.<\/p>\n\n\n\n<p>Shorter cranks:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keep the hip angle more open<\/li>\n\n\n\n<li>Reduce compression at the top of the stroke<\/li>\n\n\n\n<li>Make it easier to sustain power in aero positions<\/li>\n<\/ul>\n\n\n\n<p>This is why many riders report:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less hip discomfort<\/li>\n\n\n\n<li>Easier breathing<\/li>\n\n\n\n<li>More sustainable efforts<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-1024x768.jpg\" alt=\"\" class=\"wp-image-480\" srcset=\"https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-1024x768.jpg 1024w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-300x225.jpg 300w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-768x576.jpg 768w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Higher Cadence, Smoother Pedalling<\/h2>\n\n\n\n<p>Shorter cranks naturally encourage a slightly higher cadence.<\/p>\n\n\n\n<p>That leads to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Smoother power delivery<\/li>\n\n\n\n<li>Less muscular strain per pedal stroke<\/li>\n\n\n\n<li>Reduced fatigue over long rides<\/li>\n<\/ul>\n\n\n\n<p>Think: <strong>spinning efficiently instead of grinding<\/strong><\/p>\n\n\n\n<p>This is one reason time trialists and triathletes adopted shorter cranks early \u2014 and road cycling is now catching up.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Reduced Joint Stress<\/h2>\n\n\n\n<p>A smaller pedalling circle means:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less knee flexion<\/li>\n\n\n\n<li>Less strain on hips and lower back<\/li>\n<\/ul>\n\n\n\n<p>For many riders, especially those with previous injuries or mobility limits, this can be a <strong>game changer<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">5. Minimal Downsides (For Most Riders)<\/h2>\n\n\n\n<p>The traditional argument for longer cranks was <strong>more leverage = more power<\/strong>.<\/p>\n\n\n\n<p>But in reality:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The power difference is <strong>very small<\/strong><\/li>\n\n\n\n<li>Most riders adapt quickly<\/li>\n\n\n\n<li>Efficiency gains often outweigh any loss in leverage<\/li>\n<\/ul>\n\n\n\n<p>For many cyclists, shorter cranks feel strange at first \u2014 but better after a few rides.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Pros Are Leading the Change<\/h2>\n\n\n\n<p>Modern racing is more aerodynamic than ever. Riders are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Running <strong>lower front ends<\/strong><\/li>\n\n\n\n<li>Holding aggressive positions for longer<\/li>\n\n\n\n<li>Looking for marginal gains everywhere<\/li>\n<\/ul>\n\n\n\n<p>Shorter cranks fit perfectly into that equation:<br><strong>Better position + same power = more speed<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Should You Switch to Shorter Cranks?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">You\u2019ll likely benefit if:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You ride in an aggressive\/aero position<\/li>\n\n\n\n<li>You struggle with hip or lower back tightness<\/li>\n\n\n\n<li>You prefer higher cadence riding<\/li>\n\n\n\n<li>You race, do TTs, or fast group rides<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">You might not need to if:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You ride more casually or upright<\/li>\n\n\n\n<li>You\u2019re already comfortable and injury-free<\/li>\n\n\n\n<li>You prefer low cadence \/ high torque riding<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-1024x1024.jpg\" alt=\"\" class=\"wp-image-479\" srcset=\"https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-1024x1024.jpg 1024w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-300x300.jpg 300w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-150x150.jpg 150w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-768x768.jpg 768w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks-370x370.jpg 370w, https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/dura-ace-cranks.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">What Sizes Are Riders Moving To?<\/h2>\n\n\n\n<p>A rough trend:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Traditional: <strong>172.5\u2013175mm<\/strong><\/li>\n\n\n\n<li>Modern shift: <strong>170mm \u2192 165mm \u2192 even 160mm<\/strong><\/li>\n<\/ul>\n\n\n\n<p>There\u2019s no one-size-fits-all \u2014 but the trend is clearly <strong>going shorter<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Final Thoughts<\/h2>\n\n\n\n<p>The move to shorter cranks isn\u2019t just a trend \u2014 it\u2019s part of a bigger shift in cycling toward <strong>efficiency and aerodynamics<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less joint strain<\/li>\n\n\n\n<li>Better body position<\/li>\n\n\n\n<li>More sustainable power<\/li>\n<\/ul>\n\n\n\n<p>In short: <strong>it\u2019s about riding faster with less restriction<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.rmcycles.co.uk\">https:\/\/www.rmcycles.co.uk<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve been paying attention to pro bikes, bike fits, or even your local fast group ride, you\u2019ve probably noticed a growing trend: shorter crank lengths. What used to be standard (172.5mm or 175mm) is quickly being replaced by 170mm, 165mm \u2014 and even shorter setups. So why is this happening? And should you consider<\/p>\n","protected":false},"author":172,"featured_media":480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-478","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-maintenance-tips"},"featured_image_src":"https:\/\/blog.citrus-lime.com\/rmcy\/wp-content\/uploads\/sites\/116\/2026\/03\/Sram-short-cranks-scaled.jpg","author_info":{"display_name":"rmcycles","author_link":"https:\/\/blog.citrus-lime.com\/rmcy\/author\/rmcycles\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Are Cyclists Switching to Shorter Cranks? 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