{"title":"ridley parts","description":null,"products":[{"product_id":"twin-bolt-aero-seatpost-saddle-clamp","title":"Twin-Bolt Aero Seatpost Saddle Clamp","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eA stronger, rail-safe alternative to the Ritchey WCS 1-Bolt clamp\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eDesigned for time-trial and triathlon bikes that use a cylindrical aero seatpost interface. This clamp replaces the stock Ritchey-style 1-bolt assembly with a twin-bolt design that holds saddle rails the way they were meant to be held.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eEach clamp is made to order.\u003c\/strong\u003e Production typically takes \u003cstrong\u003e7–10 business days\u003c\/strong\u003e, including metal 3D printing and post-processing (sand blasting + annealing).\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eThe Problem\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe Ritchey WCS Alloy 1-Bolt clamp compresses saddle rails from the \u003cstrong\u003esides\u003c\/strong\u003e — like squeezing a hot dog. That sideways pinch:\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eBends the rails in a direction they were not designed to handle\u003c\/li\u003e\n\u003cli\u003eIncreases the chance of rail damage over time\u003c\/li\u003e\n\u003cli\u003eCan allow the saddle to slip downward after a hard impact or bump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eOn wide aero seatposts (Colnago TT1, Cervélo P5, Factor Slick, and similar), that slip is especially frustrating because the rest of the interface is otherwise solid.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eRight now, the only common way to get a proper twin-bolt clamp on some of these TT frames is to replace the entire seatpost with a lightweight aftermarket post from companies like Darimo. That can cost around €500 or more for a ~50 g weight saving — and those posts often sacrifice saddle adjustability. Not everyone wants to buy a new post just to fix the clamp.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eThe Solution\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThis clamp keeps the same OEM seatpost interface you already have, but changes how the saddle is held.\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eThe \u003cstrong\u003ebase\u003c\/strong\u003e still bolts to the cylindrical rod that sandwiches the carbon seatpost (same M5 hardware that came with your bike)\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eupper clamp\u003c\/strong\u003e uses two M6 bolts and sandwiches the rails from \u003cstrong\u003etop and bottom\u003c\/strong\u003e — like a burger, not a hot dog\u003c\/li\u003e\n\u003cli\u003eRails stay straight. Clamping force is applied in the correct direction\u003c\/li\u003e\n\u003cli\u003eTwin-bolt design also gives you \u003cstrong\u003epitch adjustment\u003c\/strong\u003e while keeping a secure hold\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eYou keep your existing OEM aero seatpost, keep full saddle adjustability, and get a twin-bolt rail clamp — without paying for a full aftermarket post.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eNo more side-loading the rails. No more unexpected downward slip after a bump.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eTwo Versions — Choose Based on Your Saddle\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eAt checkout, select the version that matches your saddle so you receive the correct stainless thread pieces:\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eVersion 1 — Saddle with cutout\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eUses standard \u003cstrong\u003eM6 hex bolts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBolts install from the top, down through the saddle cutout\u003c\/li\u003e\n\u003cli\u003eTightened from above through the cutout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eVersion 2 — Saddle without cutout\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eUses \u003cstrong\u003eM6 hex-head bolts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBolts are installed \u003cstrong\u003eupside down\u003c\/strong\u003e and tightened from below with a wrench\u003c\/li\u003e\n\u003cli\u003eRequired when there is no cutout to access bolts from the top\u003c\/li\u003e\n\u003cli\u003eSaddles without a cutout have more difficult installation compared to saddles with cutout. For example, Wove V8 (in pictures) has difficult initial fitment due to the design of wings of the saddle. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe aluminum clamp body is the same. Only the threaded stainless pieces change between versions.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eEnsure you select the correct kit at checkout: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eWhether your saddle has a cutout or not\u003c\/li\u003e\n\u003cli\u003eWhether you would like additional cylinder mounting threads (m5 threaded piece that goes in the seatpost itself)\u003c\/li\u003e\n\u003cli\u003eWhether you want \u003cstrong\u003eFull Kit\u003c\/strong\u003e (hardware for with\/without saddle cutout \u0026amp; replacement cylinder mounting threads)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eHardware Notes\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eM6 bolts are not included.\u003c\/strong\u003e Any standard stainless steel M6 bolts will work.\u003c\/li\u003e\n\u003cli\u003eChoose bolt style based on the version above (standard hex bolts for cutout saddles, hex-head bolts for non-cutout saddles).\u003c\/li\u003e\n\u003cli\u003eReuse your bike’s existing \u003cstrong\u003eOEM M5 bolts\u003c\/strong\u003e for the seatpost-interface \/ base clamp.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eMaterials \u0026amp; Construction\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e- Main clamp body: \u003c\/strong\u003eAlSi10Mg\u003cbr\u003e\u003cstrong\u003e- Threaded pieces: \u003c\/strong\u003e316 stainless steel\u003cbr\u003e\u003cstrong\u003e- Seatpost interface bolts: \u003c\/strong\u003eOEM M5 bolts (reuse from your bike)\u003cbr\u003e\u003cstrong\u003e- Rail clamp bolts: \u003c\/strong\u003eCustomer-supplied M6 stainless bolts, standard hardware that is easy to source locally\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eDesigned for aero TT \/ triathlon seatposts that use the cylindrical-rod + sandwich-base interface, including:\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eColnago TT1\u003c\/li\u003e\n\u003cli\u003eCervélo P5 and P-Series\u003c\/li\u003e\n\u003cli\u003eWilier Supersonica SLR\u003c\/li\u003e\n\u003cli\u003eX-Lab DB01\u003c\/li\u003e\n\u003cli\u003eCube Aerium\u003c\/li\u003e\n\u003cli\u003eLapierre Aerostorm\u003c\/li\u003e\n\u003cli\u003eBianchi Aquila RC\u003c\/li\u003e\n\u003cli\u003eCannondale Super Slice 2019-2025\u003c\/li\u003e\n\u003cli\u003eCannondale Super Slice 2026-Present\u003c\/li\u003e\n\u003cli\u003eFactor Slick\u003c\/li\u003e\n\u003cli\u003eRidley Dean Fast (rim \u0026amp; disc), Arena Fast, and Omnium Fast\u003c\/li\u003e\n\u003cli\u003eScott Plasma RC \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAlso compatible\u003c\/strong\u003e with other road or TT frames that use the same seatpost clamp interface.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIf you’re unsure whether your post matches, send a photo of the seatpost head and clamp area and we’ll confirm before you order.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e3D-printed aluminum main clamp body (AlSi10Mg)\u003c\/li\u003e\n\u003cli\u003e3D-printed 316 stainless threaded pieces (selected version: cutout or no-cutout)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e M6 bolts (purchase separately — any standard stainless M6 bolts)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eProduction \u0026amp; Lead Time\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eEvery clamp is \u003cstrong\u003eprinted to order\u003c\/strong\u003e — not stocked.\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eMetal 3D printing in AlSi10Mg and 316 stainless\u003c\/li\u003e\n\u003cli\u003ePost-processing: \u003cstrong\u003esand blasting + annealing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTypical production time: \u003cstrong\u003e7–10 business days\u003c\/strong\u003e after order confirmation\u003c\/li\u003e\n\u003cli\u003eShipping time is additional\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eFit Notes\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eTT \/ triathlon aero seatposts\u003c\/strong\u003e with the cylindrical rod interface\u003c\/li\u003e\n\u003cli\u003eTwin-bolt layout allows saddle pitch adjustment\u003c\/li\u003e\n\u003cli\u003eRails are clamped top-and-bottom to avoid side-bend\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp dir=\"auto\"\u003eContact us with photos of your seatpost and saddle if you want compatibility confirmed first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Oosta3D","offers":[{"title":"No \/ No \/ No","offer_id":49158715703513,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"No \/ No \/ Yes","offer_id":49158567821529,"sku":null,"price":229.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ No","offer_id":49158715670745,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ Yes","offer_id":49158567788761,"sku":null,"price":229.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ No","offer_id":49158715637977,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ Yes","offer_id":49158567755993,"sku":null,"price":229.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ No","offer_id":49158715605209,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ Yes","offer_id":49158567723225,"sku":null,"price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1045\/7817\/files\/PXL_20260914_204358602.jpg?v=1789481485"}],"url":"https:\/\/oosta3d.com\/collections\/ridley-parts.oembed","provider":"Oosta3D","version":"1.0","type":"link"}