{"product_id":"headset-lower-blackbearing-semi-integrated-frame-55-mm-pivot-1-1-8","title":"headset lower - blackbearing - Semi integrated - frame 55 mm - pivot 1-1\/8","description":"Key FeaturesSemi integrated lower headset ZS55\/30 standardCompatible with 1-1\/8 forks with 30 mm crown raceAllows 1.5 to 1-1\/8 conversionDesigned for 55 mm head tubesSmooth and stable steering performance\nDescriptionThe Black Bearing BB-HE-ZS55\/30 lower headset is designed for frames with a 55 mm head tube and forks with a 30 mm crown race.The semi integrated Zero Stack design allows the use of 1-1\/8 forks on larger head tubes, making it ideal for conversion and upgrade applications.\nSpecificationsType: lower headsetStandard: ZS55\/30Frame diameter: 55 mmFork crown race diameter: 30 mmFork compatibility: 1-1\/8Function: reductionStructure: semi integrated Zero StackBearing angle: 36 x 45 degreesMaterial: alloy and steelUse: MTB, enduro, gravel\nCompatibilityCompatible with 55 mm head tubesCompatible with 1-1\/8 forksIdeal for 1.5 to 1-1\/8 conversionNot compatible with direct 1.5 forksNot compatible with EC or IS systems","brand":"BLACKBEARING","offers":[{"title":"Default Title","offer_id":54189360152922,"sku":"BB-HE-ZS55\/30","price":20.59,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6831\/5738\/files\/pim_f8172de3-0b95-4d94-8f24-7d386862a9c3_1000-1000.jpg?v=1779474605","url":"https:\/\/grafiteoffroad.com\/products\/headset-lower-blackbearing-semi-integrated-frame-55-mm-pivot-1-1-8","provider":"Grafite Offroad","version":"1.0","type":"link"}