{"product_id":"hb-b4-headset-bearing-11-8-measure-30-15-x-39-x-6-5-45-45","title":"HB-B4 - HEADSET BEARING 1\"1\/8 MEASURE 30,15 x 39 x 6,5 - 45\/45°","description":"Key featuresHigh-precision 1 1\/8\" headset bearing45\/45° angle for standard fitCompact 39 mm outer diameter design2RS seals for water and dust protectionSmooth rotation and long lifespan DescriptionThe CCY-1004 (HB-B4) bearing is designed for 1 1\/8\" headset systems and is ideal for applications requiring a 39 mm outer diameter.Its precise dimensions (30.15 x 39 x 6.5 mm) and 45\/45° contact angle ensure proper fit and stable steering performance. Made from high-quality steel with precision-ground raceways and premium lubrication, it delivers smooth operation and long-lasting durability.  SpecificationsType: headset bearingStandard: 1 1\/8\"Dimensions: 30.15 x 39 x 6.5 mmAngle: 45° \/ 45°Seals: 2RS (double sealed)Material: high-strength steelBearing grade: ABEC 5Lubrication: premium grease CompatibilityCompatible with 1 1\/8\" headset systemsFor frames with 39 mm bearing seatSuitable for integrated and semi-integrated headsetsCross references: MH-P04, TH-870GIdeal replacement bearing","brand":"BLACKBEARING","offers":[{"title":"Default Title","offer_id":54189681017178,"sku":"CCY-1004","price":13.73,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6831\/5738\/files\/pim_cbe6338e-3060-4ae1-83fb-4a5e58867088_1000-1000.jpg?v=1779484881","url":"https:\/\/grafiteoffroad.com\/products\/hb-b4-headset-bearing-11-8-measure-30-15-x-39-x-6-5-45-45","provider":"Grafite Offroad","version":"1.0","type":"link"}