5/10Pcs 17287 RS 17287-2RS Ball Bearing 17x28x7mm 61902/17 Hybrid Ceramic Bearing MR17287 RS Free Hub Bearings Mountain Bike

High-concerned chemical：None Material：Bearing Steel Model Number：17287RS Origin：Mainland China Certification：CE Model：17287RS Bore Dia (d):：17 mm Outer Dia (D):：28 mm Width (B):：7 mm

High-concerned chemical: None Material: Bearing Steel Model Number: 17287RS Origin: Mainland China Certification: CE Model: 17287RS Bore Dia (d):: 17 mm Outer Dia (D):: 28 mm Width (B):: 7 mm