{"product_id":"28-6mm-bmx-bicycle-seat-clamp-hinged-aluminum-alloy-frame-accessory","title":"28.6mm BMX Bicycle Seat Clamp - Hinged Aluminum Alloy Frame Accessory","description":"Dia-Compe's popular hinged MX seat clamp from the early 1980's now available in 28.6mm size. These are BRAND NEW - they are not NOS  \n * Color: NEW BLUE (this is the \"dark blue\" that Dia-Compe started making in 2025 which is more like a dark bright dip blue than the dark blue they used to make) \n * Size: 28.6mm (1 1\/8\") inner diameter (fits most frames that take a 25.4mm (1\") seat post, but as always, measure the outer diameter of the seat mast tubing of your frame or the inner diameter of your existing seat \n * Material: Aluminum alloy \n * The \"MX\" is stamped - the \"Dia-Compe 28.6\" on the top edge is laser engraved.","brand":"Dia-Compe","offers":[{"title":"Default Title","offer_id":51444959379623,"sku":"193754668622","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/0339\/2167\/files\/s-l1600_da1da25f-6665-403f-a437-185b85d0e665.jpg?v=1790787925","url":"https:\/\/craftecker.com\/products\/28-6mm-bmx-bicycle-seat-clamp-hinged-aluminum-alloy-frame-accessory","provider":"CrafTecker","version":"1.0","type":"link"}