Происхождение товара
China
Структура
Глубокая канавка
Тип Уплотнения
ZZ 2RS OPEN
Material
Chrome Steel ,Bearing steel,Stainless ste
Cage material
Nylon ,steel , brass
Application
Skateboard, road bike, baby stroller
Feature
Stable Performance:low Voice
Cage
Steel Cage.copper Cage.nylon Cage
Service
OEM Customized Services