{"product_id":"state-bicycle-co-carbon-seatpost-27-2mm-350mm-25mm-setback","title":"State Bicycle Co. - Carbon Seatpost — 27.2mm \/ 350mm \/ 25mm Setback","description":"\u003cp\u003e\u003cstrong\u003e190 grams. 25mm of setback. Every rail standard covered.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost riders never think about their seatpost until they're chasing a creak or fighting a saddle angle that won't hold. This one is built so you don't have to think about it. Gloss black unidirectional carbon, a clamp head that actually adjusts, and hardware in the box for whichever saddle you're running.\u003c\/p\u003e\n\u003cp\u003eAt 190g it's roughly a third lighter than the alloy post it's replacing — the cheapest real weight you'll ever buy on a bike.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eWhy carbon here matters\u003c\/h4\u003e\n\u003cp\u003eThe seatpost is one of the few places on a bike where carbon does something you can actually feel. On a 27.2mm post there's a long, unsupported span between the seat collar and your saddle, and that span flexes. Carbon flexes on a different curve than aluminum — it gives on sharp, high-frequency hits and stiffens up when you put power down.\u003c\/p\u003e\n\u003cp\u003eTranslation: chatter from broken pavement, gravel washboard, and chipseal gets filtered before it reaches you. Long days hurt less. Nothing is lost when you stand up and sprint.\u003c\/p\u003e\n\u003cp\u003eThat's also why 27.2 is the diameter endurance and gravel frames keep coming back to. It's the skinniest common standard, so it's the one with the most give built in.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eThe head\u003c\/h4\u003e\n\u003cp\u003eSaddle angle on a lot of posts is a coin flip — you get one position, or the next one over, and nothing in between. This head uses a single central bolt with a rocking cradle, so angle is continuously adjustable rather than stepped. Set it where you want it, torque it once, and it stays.\u003c\/p\u003e\n\u003cp\u003eLoosening one bolt also means fore\/aft and tilt adjust together, on the bike, without pulling the saddle off or hunting for a second Allen key.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eBoth rail standards, both sets of hardware\u003c\/h4\u003e\n\u003cp\u003eSaddle rails come in two shapes and most posts only ship the hardware for one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7mm round\u003c\/strong\u003e — steel, titanium, and chromoly rails. The standard on most saddles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7x9mm oval\u003c\/strong\u003e — carbon rails. What you'll find on higher-end and lightweight saddles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth cradle sets are in the box. Swap saddles, run whatever you want, no adapter kit to hunt down six months from now.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e25mm of setback — and why you might want it\u003c\/h4\u003e\n\u003cp\u003eThe saddle clamp sits 25mm behind the post's centerline, so it carries you back over the bottom bracket rather than forward of it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose 25mm setback if:\u003c\/strong\u003e your frame has a slack seat tube angle — most steel frames and classic road geometry do — or you've been running an inline post with the saddle shoved all the way back on its rails and still want more. It also suits riders who sit back and grind out seated power on long days, and anyone who wants rearward adjustment range in hand rather than already spent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLook elsewhere if:\u003c\/strong\u003e your frame already has a steep seat tube angle, or you're on an inline post with the saddle pushed forward. Setback moves you back roughly 20–25mm, and you may not be able to bring it forward again.\u003c\/p\u003e\n\u003cp\u003eNot sure? Measure the horizontal distance from the center of your bottom bracket to the nose of your saddle on your current setup, then check it again after you swap. That number is what you're trying to preserve.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat tube diameter:\u003c\/strong\u003e 27.2mm. Frames with a 30.9mm or 31.6mm seat tube will need a shim, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 350mm — the common length, and enough for most small and medium frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddle rails:\u003c\/strong\u003e 7mm round or 7x9mm oval.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck your frame's minimum insertion before you cut anything, and confirm the post reaches at least that depth at your saddle height.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNeed more post showing, or no setback at all? The same post comes in \u003ca href=\"https:\/\/www.statebicycle.mom\/products\/state-bicycle-co-carbon-seatpost-27-2mm-400mm-0mm-setback\"\u003e400mm with zero setback\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Unidirectional carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 27.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 350mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetback:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddle rail compatibility:\u003c\/strong\u003e 7x7mm round and 7x9mm oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Both cradle sets included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp:\u003c\/strong\u003e Single-bolt, continuously adjustable angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Gloss black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 190g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eInstallation\u003c\/h4\u003e\n\u003cp\u003eCarbon posts are easy to install correctly and easy to damage by guessing. Three rules:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse a torque wrench.\u003c\/strong\u003e Not a feel for it. Not \"one more click.\" Follow the torque values marked on the post and on your frame's seat collar, and use the lower of the two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse carbon assembly paste,\u003c\/strong\u003e not grease. Paste adds grip so the post holds at lower clamping force — which is the whole point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRespect minimum insertion.\u003c\/strong\u003e The line on the post is not a suggestion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you're not set up for torque work, this is a ten-minute job at any shop.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"State Bicycle Co.","offers":[{"title":"Default Title","offer_id":44617247785047,"sku":"751503808722","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/3305\/files\/StateBicycleCo.-CarbonSeatpost_27.2mm_350mm_25mmSetback.png?v=1793904680","url":"https:\/\/www.statebicycle.mom\/products\/state-bicycle-co-carbon-seatpost-27-2mm-350mm-25mm-setback","provider":"State Bicycle Co.","version":"1.0","type":"link"}