{"product_id":"headset-lower-blackbearing-semi-integrated-frame-55-mm-pivot-1-1-2","title":"headset lower - blackbearing - Semi integrated frame 55 mm pivot 1-1\/2","description":"Key FeaturesSemi integrated lower headset ZS55\/40 standardCompatible with 1.5 forks with 40 mm crown raceDesigned for 55 mm head tubesIdeal for modern tapered configurationsStable and precise steering performance\nDescriptionThe Black Bearing BB-HE-ZS55\/40 lower headset is designed for frames with a 55 mm head tube and forks with a 40 mm crown race.The semi integrated Zero Stack design provides a strong and compact solution, ensuring smooth and precise steering even under demanding conditions.\nSpecificationsType: lower headsetStandard: ZS55\/40Frame diameter: 55 mmFork crown race diameter: 40 mmFork compatibility: 1.5Structure: semi integrated Zero StackBearing angle: 36 x 45 degreesMaterial: alloy and steelUse: MTB, enduro, e-bike, gravel\nCompatibilityCompatible with 55 mm head tubesCompatible with 1.5 forksCompatible with tapered forks lower partNot compatible with 1-1\/8 forksNot compatible with EC or IS systems","brand":"BLACKBEARING","offers":[{"title":"Default Title","offer_id":54188738773338,"sku":"BB-HE-ZS55\/40","price":20.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6831\/5738\/files\/pim_c7ed0b28-087c-479f-b226-fd7e72ad6201_1000-1000.jpg?v=1779469084","url":"https:\/\/grafiteoffroad.com\/products\/headset-lower-blackbearing-semi-integrated-frame-55-mm-pivot-1-1-2","provider":"Grafite Offroad","version":"1.0","type":"link"}