{"product_id":"ritchey-comp-headset-ec34-28-6-ec34-30-1-1-8","title":"Ritchey Comp Logic EC34\/28.6 | EC34\/30 Sealed Cartridge Headset - Black","description":"\u003cp\u003eThe \u003cstrong\u003eRitchey Comp Logic\u003c\/strong\u003e is a 1-1\/8\" threadless headset with \u003cstrong\u003eEC34\/28.6 upper and EC34\/30 lower\u003c\/strong\u003e external cups and sealed cartridge bearings. It is a direct service replacement for frames that use external cups at both ends with a straight 1-1\/8\" steerer.\u003c\/p\u003e\u003cp\u003eThe cups are \u003cstrong\u003eprecision-machined aluminum\u003c\/strong\u003e and deep for solid insertion in the head tube. The complete headset weighs \u003cstrong\u003e142 g\u003c\/strong\u003e and uses a 30mm crown race, with a 16.8mm upper and 13mm lower stack height.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders and mechanics replacing a worn \u003cstrong\u003eEC34\/28.6 | EC34\/30\u003c\/strong\u003e headset\u003c\/li\u003e\n\u003cli\u003eOwners of straight 1-1\/8\" steerer bikes with external cups top and bottom\u003c\/li\u003e\n\u003cli\u003eAnyone who prefers sealed cartridge bearings\u003c\/li\u003e\n\u003cli\u003eNot for frames that call for IS or ZS cups, or a \/40 (1.5\") lower\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment first:\u003c\/strong\u003e confirm your frame specifies EC34 at both positions, a 28.6mm steerer and a 30mm crown race.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack height:\u003c\/strong\u003e 16.8mm upper and 13mm lower. Compare with your current headset before cutting or re-spacing the steerer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing type:\u003c\/strong\u003e sealed cartridge bearings are a different service approach than cup-and-cone; choose the one you plan to maintain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCups:\u003c\/strong\u003e Lightweight, \u003cstrong\u003eprecision-machined aluminum\u003c\/strong\u003e cups with a deep profile for solid insertion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBearings:\u003c\/strong\u003e \u003cstrong\u003eSealed cartridge\u003c\/strong\u003e bearing design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStack:\u003c\/strong\u003e \u003cstrong\u003e16.8mm upper and 13mm lower\u003c\/strong\u003e, which sets how much steerer the headset uses above and below the head tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFinish and weight:\u003c\/strong\u003e Black, \u003cstrong\u003e142 g\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e sealed cartridge bearings in deep, machined aluminum cups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e fits only EC34\/28.6 | EC34\/30 frames with a straight 1-1\/8\" steerer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e external cups at both ends with a 16.8mm \/ 13mm stack at 142 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio, we reach for a headset like the Comp Logic when a straight-steerer EC34 bike needs a sealed-bearing refresh; we check stack height first so bar position stays where the rider expects it.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUpper: EC34\/28.6\u003c\/li\u003e\n\u003cli\u003eLower: EC34\/30\u003c\/li\u003e\n\u003cli\u003eStem clamp diameter: 28.6mm threadless\u003c\/li\u003e\n\u003cli\u003eCrown race: 30mm\u003c\/li\u003e\n\u003cli\u003eBearing type: Sealed cartridge\u003c\/li\u003e\n\u003cli\u003eUpper stack height: 16.8mm\u003c\/li\u003e\n\u003cli\u003eLower stack height: 13mm\u003c\/li\u003e\n\u003cli\u003eCups: Precision-machined aluminum\u003c\/li\u003e\n\u003cli\u003eWeight: 142 g\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003ePart number: 33032617001\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ritchey","offers":[{"title":"Default Title","offer_id":53538319860019,"sku":"33032617001","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/ee13d4447166eb19b702a56b8c75b88f9cf53a31.jpg?v=1782259666","url":"https:\/\/victorybicyclestudio.com\/products\/ritchey-comp-headset-ec34-28-6-ec34-30-1-1-8","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}