{"product_id":"mountain-bicycle-seat-post-clamp-accessories-aluminium-alloy-seat-tube-clamp-in-31-8mm-or-34-9mm-outer-diameter-for-securing-seat-posts-of-specific-outer-diameters-available-in-black-blue-gold-or-red-to-match-your-bikes-colour-scheme","title":"Mountain bicycle seat post clamp accessories, aluminium alloy seat tube clamp in 31.8mm or 34.9mm outer diameter for securing seat posts of specific outer diameters, available in black, blue, gold, or red to match your bike's colour scheme.","description":"\u003ch1\u003eAluminium Alloy Seat Tube Clamps for Mountain Bicycles in Four Colours\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/1d3fb444-6e7d-46a3-bcb8-e38635456040.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eSecuring your seat post correctly is a fundamental aspect of bicycle setup, affecting both safety and riding comfort. These mountain bicycle seat post clamp accessories offer a straightforward solution. Manufactured from aluminium alloy, they provide a balance of strength and low weight. The clamps are produced in two distinct outer diameter specifications: 31.8mm and 34.9mm. Each size is engineered to be compatible with a specific range of seat post outer diameters, which is crucial information for ensuring a proper fit. Furthermore, you can personalise the look of your bike with a choice of four colour finishes: classic black, vibrant blue, distinctive gold, or bold red. This combination of precise sizing, practical material, and aesthetic choice makes these clamps a functional upgrade or replacement part for mountain bike enthusiasts and mechanics.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/3346919f-5a10-4552-9984-69c3b711d2ab.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis product is defined by its specific technical attributes and material choice, which together determine its application and fit.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe clamp is constructed entirely from aluminium alloy. This material is widely used in bicycle components for its favourable strength-to-weight ratio, contributing to a durable clamp without adding significant mass to the bicycle frame. The build focuses on providing a reliable clamping force to hold the seat post securely in place, a fundamental requirement for any cycling discipline.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eFit is paramount with this component. The clamps are offered in two precise outer diameter sizes: 31.8mm and 34.9mm. You must select the size that matches the inner diameter of your bicycle frame's seat tube. It is noted that this calibre size is typically marked below the seat tube itself for reference. Equally important is seat post compatibility. The 31.8mm outer diameter clamp is designed to work with seat posts having an outer diameter of 27.2mm or 28.6mm. A specific note advises that for a seat post with a 29.4mm outer diameter, a measurement is required as it falls outside the standard listed sizes. The 34.9mm outer diameter clamp accommodates seat posts with outer diameters of 30.4mm, 30.8mm, 30.9mm, or 31.6mm.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/5ecc5ff9-cf7d-4df6-b650-08a7619840e3.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThese clamps serve a single, clear purpose but are relevant across various cycling contexts due to the ubiquity of the seat post assembly.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eFor mechanics in a workshop setting or at cycling events, having the correct spare parts on hand is essential. These clamps, available in two sizes and four colours, allow for quick replacements or builds. The clear compatibility guidelines help a professional select the right part efficiently, whether for repairing a damaged clamp, completing a new build, or making a colour-matched upgrade to a customer's mountain bike.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor the home bicycle enthusiast, these clamps are a practical purchase for maintenance, repair, or customisation. Replacing a worn or corroded clamp, adjusting seat height more reliably, or simply adding a splash of colour like blue, gold, or red to a personal bike are all realistic scenarios. The key for the home user is to carefully measure their existing seat tube and seat post, or locate the marked calibre size, to order the correct variant with confidence.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/981f643a-309a-41db-8cb4-f603b852234d.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe value of this product lies in its specificity, material, and the options it provides to the user.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eAn aluminium alloy construction is generally resistant to corrosion and requires minimal maintenance, meaning the clamp can provide reliable service over a long period. As a replacement part, it restores the original function of the seat post assembly. The colour options also mean the clamp can be reused in future builds or on different bikes where the aesthetic is a consideration, provided the size is compatible.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eYou would choose this seat tube clamp for its defined specifications. The clear statement of two outer diameters (31.8mm and 34.9mm) and the explicit list of compatible seat post sizes remove guesswork. The choice of four colours (black, blue, gold, red) offers a level of personalisation not always available with such functional components. It is a product that provides exactly what is described: a specific aluminium clamp in a specific size and colour for a specific range of seat posts, making it a logical choice for a targeted need.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/997bccd2-15c9-407b-9341-a1281f11dd87.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Aluminium mountain bicycle seat post clamp in black, blue, gold, or red, showing 31.8mm and 34.9mm size options.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/534\/2025-10-02\/original-image\/c6e83072-a314-4518-b410-187d75ff4fa0.webp\"\u003e\u003c\/div\u003e","brand":"test333yy3pnojvsr","offers":[{"title":"Blue \/ 34.9mm","offer_id":54280039137621,"sku":"CJWZ182309309IR","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Blue \/ 31.8mm","offer_id":54280039170389,"sku":"CJWZ182309308HS","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 31.8mm","offer_id":54280039203157,"sku":"CJWZ182309316PK","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Gold \/ 34.9mm","offer_id":54280039235925,"sku":"CJWZ182309313MN","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 34.9mm","offer_id":54280039268693,"sku":"CJWZ182309305EV","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 31.8mm","offer_id":54280039301461,"sku":"CJWZ182309304DW","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 34.9mm","offer_id":54280039334229,"sku":"CJWZ182309317QJ","price":11.75,"currency_code":"GBP","in_stock":true},{"title":"Gold \/ 31.8mm","offer_id":54280039366997,"sku":"CJWZ182309312LO","price":11.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1057\/4154\/9909\/files\/c6e83072-a314-4518-b410-187d75ff4fa0.webp?v=1783079284","url":"https:\/\/aerotouch.fiorevale.com\/products\/mountain-bicycle-seat-post-clamp-accessories-aluminium-alloy-seat-tube-clamp-in-31-8mm-or-34-9mm-outer-diameter-for-securing-seat-posts-of-specific-outer-diameters-available-in-black-blue-gold-or-red-to-match-your-bikes-colour-scheme","provider":"AeroTouch.uk","version":"1.0","type":"link"}