Features: bearing steel balls have high precision, high hardness, smooth surface, good roundness, wear resistance. Material: Bearing steel GCR15 (100Cr6).
Grade 10 Chrome Steel Ball Bearings for Shimano Rear Hubs 1/4" x 18 NEW UK
Ball Bearings chrome steel Grade 100 1mm 2mm 3mm 4mm 5mm 6mm 8mm 2.5mm
300pcs 6 Sizes Bicycle Bearing Ball Chrome Steel with Box Loose Precision Balls
Minflora 4-Pack 40mm Bicycle Headset Caged Ball Bearings - Steel Ball and Retainer Set for Fork, Bottom Bracket, and Hub Maintenance
7.94mm 5/16" 5/16 7.94 chrome loose ball bearings GRADE 100 AISI 52100 pack x 25
Vintage Style Retro 16" Chrome Steel, Bicycle Hand Pump Steel Bike
