{"product_id":"wolf-tooth-premium-zero-stack-headset-silver-upper-zs44-15mm","title":"Wolf Tooth Premium Zero Stack Headset Silver \/ Upper ZS44 15mm","description":"\u003cp\u003eCompatible with frames with internal bearing cups pressed into the frame, this Wolf Tooth Premium Zero Stack Headset is light, strong and durable.\u003c\/p\u003e\n\u003cp\u003eMachined in the US from aircraft-grade 6061 aluminium and available in a variety of colours, it has custom seals in three locations to protect its corrosion-resistant stainless steel bearings from mud, road spray or rain as you throw your bike around the lanes, trails or gravel tracks. The bearings themselves are also covered by a lifetime warranty.\u003c\/p\u003e\n\u003cp\u003eWolf Tooth Premium headsets differ from the Performance range in two ways. Premium headsets feature stainless steel Enduro bearings and three top cap size options. Meanwhile Performance headsets use black oxide coated chromium steel bearings and come with a 7mm high top cap.\u003c\/p\u003e\n\u003ch4\u003eKey features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with any frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included on both the upper and lower\u003c\/li\u003e\n\u003cli\u003eThree options of stack height for upper top cover\u003c\/li\u003e\n\u003cli\u003eStar nut shipped with upper headsets can only be used on forks with steel\/aluminium steerer tubes\u003c\/li\u003e\n\u003cli\u003eLifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":45164299813021,"sku":"WTZS44U15mmSIL","price":75.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9434\/1977\/files\/wt-zs44u-15mm-sil-01_2500x_6b2f6898-c804-4732-8c02-03718a3aebb4.jpg?v=1714053793","url":"https:\/\/www.bikeparts.co.uk\/products\/wolf-tooth-premium-zero-stack-headset-silver-upper-zs44-15mm","provider":"BikeParts.co.uk","version":"1.0","type":"link"}