{"product_id":"performance-is-upper-headset","title":"Performance IS Upper Headset","description":"\u003cp\u003eWolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eBlack Oxide Bearings are made from chromium steel for high load capacity, durability and corrision resistance\u003c\/li\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer, plus an aluminum bolt and a star nut\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\u003cli\u003eBearing top cap outer diameter: 45.8mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Black \/ 28.6 Threadless","offer_id":44289443332130,"sku":"IS41U-5MM-BLK-B","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Raw Silver \/ 28.6","offer_id":44289443364898,"sku":"IS41U-5MM-RSIL-B","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Ultraviolet Purple \/ 28.6","offer_id":44289443397666,"sku":"IS41U-5MM-PRU-B","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/6672\/5922\/files\/HD0337.jpg?v=1769823804","url":"https:\/\/thebikehouse.net\/products\/performance-is-upper-headset","provider":"The Bike House, Bike Shop","version":"1.0","type":"link"}