BLACKBEARING Headset bearing -D10 - 40 x 51.9 x 7 mm 45/45° hex key Rear transition hook Specifications

Rear transition hook Specifications

Up to 37 Days of Battery Life in Smartwatch Mode

It could widely be applied in various kinds of bicycle components

Front light with ~50 lumens output

BLACKBEARING Headset bearing -D10 - 40 x 51.9 x 7 mm 45/45° hex key Rear transition hook SpecificationsFeatures Tailored Fit: Designed for 1" 1 2 fork steerers with 40 x 51. 9 x 7mm dimensions, compatible with brands like FSA, Stronglight, Cane Creek, Acros, and Ritchey. Durable Chrome Steel: SAE52100 Chrome Steel ensures exceptional strength and wear resistance. Enhanced Control: Angular contact bearings efficiently handle radial and axial loads for balanced and stable steering. Effortless Performance: Premium grease reduces friction, ensuring smooth