{"product_id":"trek-knock-block-58-degree-headset-assembly-with-display-chip-33856","title":"Trek Knock Block 58-Degree Headset Assembly with Display Chip","description":"\u003cp\u003eService and replacement parts specifically for Trek Knock Block technology.\u003c\/p\u003e\u003ch3\u003eGenuine replacement parts\u003c\/h3\u003e\u003cp\u003eGet your bike back on the trail with the headset parts you need.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrek proprietary headset components compatible with Trek Knock Block models\u003c\/li\u003e\n\u003cli\u003e58-degree headset fits all 2017-2020 Knock Block equipped models\u003c\/li\u003e\n\u003cli\u003eIncludes crown race, bearings, top cover, frame chip \u0026amp; fastener\u003c\/li\u003e\n\u003cli\u003eFrame chip has display tabs to connect Bosch Kiox Mount sold separately\u003c\/li\u003e\n\u003cli\u003eMust be paired with Knock Block stem and Knock Block spacers\u003c\/li\u003e\n\u003cli\u003eKnock Block headset spacers not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specs\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eBike headsets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eTrek\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer part #\u003c\/th\u003e\n\u003ctd\u003e141-0011000011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSteerer outer diameter\u003c\/th\u003e\n\u003ctd\u003e28.6mm (1-1\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCrown race inner diameter\u003c\/th\u003e\n\u003ctd\u003e39.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCup Insertion OD\u003c\/th\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStack height\u003c\/th\u003e\n\u003ctd\u003e8.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBearing type\u003c\/th\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeadset type upper\u003c\/th\u003e\n\u003ctd\u003eUnthreaded fully integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeadset type lower\u003c\/th\u003e\n\u003ctd\u003eFully integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold by Atlanta Cycling, an authorized Trek retailer in Atlanta, GA. Manufacturer part #33856.\u003c\/p\u003e","brand":"Trek","offers":[{"title":"28.6mm (1-1\/8\") \/ Black","offer_id":51670331490471,"sku":"5252156","price":70.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/6076\/5863\/files\/trek-knock-block-58-degree-headset-assembly-with-display-chip-black-1.jpg?v=1793112429","url":"https:\/\/www.atlantacycling.com\/products\/trek-knock-block-58-degree-headset-assembly-with-display-chip-33856","provider":"Atlanta Cycling","version":"1.0","type":"link"}