{"product_id":"wolf-tooth-premium-ec-headsets-external-cup","title":"WOLF TOOTH Premium EC Headsets External Cup","description":"\u003cp\u003eWolf Tooth headsets are machined in the USA with aircraft-grade 6061 aluminum. Our headsets have three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These EC headsets are for frames with external bearing cups, which places the bearing outside of the frame with these headsets. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStack height designation for EC headsets includes 10mm cup (see tech specs).\u003c\/li\u003e\n\u003cli\u003eAny frame that uses an external cup headset with a 34mm upper head tube. inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"Crown Race Adapter\" href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-adapters\"\u003ecrown race adapter\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e(sold separately)\u003c\/span\u003ewill allow you to use forks with smaller 1-1\/8\" or 1-1\/4\" steerer tubes with a larger 1-1\/2\" bottom headset cup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"gmail-il\"\u003eEC34 Lowers are not compatible with Surly 1-1\/8\" straight steerer\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail-il\"\u003eforks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e5mm cover = 16mm total stack, 15mm cover = 25mm total stack, 25mm cover = 35mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003e12.25mm stack.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003eEC44 lower • 45g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC49 lower •  54g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 lower • 37g \u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e|\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 5mm upper • 64g\u003cstrong\u003e  |\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 15mm Upper • 70g \u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e| \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEC34 25mm upper • 79g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6061 aluminum\u003cbr\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Gold","offer_id":50274989900019,"sku":"EC34U-5MM-GLD","price":2800.0,"currency_code":"THB","in_stock":false},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Red","offer_id":50274991669491,"sku":null,"price":2800.0,"currency_code":"THB","in_stock":false},{"title":"Upper \/ EC34\/30 \/ Gold","offer_id":50274991702259,"sku":null,"price":2800.0,"currency_code":"THB","in_stock":false},{"title":"Upper \/ EC34\/30 \/ Red","offer_id":50274991735027,"sku":null,"price":2800.0,"currency_code":"THB","in_stock":false},{"title":"Lower \/ EC34\/28.6 16mm Stack \/ Gold","offer_id":50274991767795,"sku":null,"price":2400.0,"currency_code":"THB","in_stock":false},{"title":"Lower \/ EC34\/28.6 16mm Stack \/ Red","offer_id":50274991800563,"sku":null,"price":2400.0,"currency_code":"THB","in_stock":false},{"title":"Lower \/ EC34\/30 \/ Gold","offer_id":50274991833331,"sku":null,"price":2400.0,"currency_code":"THB","in_stock":false},{"title":"Lower \/ EC34\/30 \/ Red","offer_id":50274991866099,"sku":"EC34L-30-RED","price":2400.0,"currency_code":"THB","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/8740\/5043\/files\/WT-EC34U-5MM-GLD-01.webp?v=1786592916","url":"https:\/\/probike.co.th\/products\/wolf-tooth-premium-ec-headsets-external-cup","provider":"Probike Co.,Ltd.","version":"1.0","type":"link"}