headset lower - blackbearing - integrated - frame 52 mm - pivot 1-1/2

Key FeaturesIntegrated lower headset IS52/40 standardCompatible with 1.5 forks (40 mm crown race)Designed for 52 mm head tubesIdeal for modern tapered configurationsMaximum stability and precision DescriptionThe Black Bearing BB-HE-IS52/40 lower headset is designed for frames with a 52 mm integrated bearing seat and forks with a 40 mm crown race.The integrated drop-in system allows direct installation into the frame, ensuring durability, reliability and smooth steering performance. SpecificationsType: lower headsetStandard: IS52/40Frame bearing seat: 52 mmFork crown race diameter: 40 mmFork compatibility: 1.5Structure: integrated (drop-in)Bearing angle: 45° x 36°Material: steel and high strength alloyUse: MTB, enduro, gravel, road CompatibilityCompatible with integrated 52 mm framesCompatible with 1.5 forksCompatible with tapered forks (lower part)Not compatible with 1-1/8 forksNot compatible with EC or ZS systems