X AUTOHAUX 2 Pcs 3.97mm x 22 Ball Bearings Wheel Bearing Retainer for Bicycle

• [Material]: This ball bearing retainer is made of stainless steel, is durable, and has good intensity.
• [Item Size]: Outer Diameter: 40mm / 1.57", Inner Diameter: 31mm / 1.22", Package Included: 2 x Bicycle Ball Bearings.
• [Item Feature]: This ball bearing retainer with 22 balls, which are suitable for 31mm inner diameter head parts. It is an ideal replacement for your bike.
• [Application]: This kind of bead rack stainless steel ball is inlaid in the retainer design. It's suitable for replacing the crank bearing of the bicycle. suitable for ordinary bicycles, mountain bikes, lowrider bikes, and stretch bicycles.
• [Notice]: Before purchasing, please confirm whether the size of the accessories of your bike is matched these bearing cages.

Specification: Color: Silver Tone Material: Stainless Steel Ball Number: 22 Ball Diameter: 3.97mm / 0.16" Outer Diameter: 40mm / 1.57" Inner Diameter: 31mm / 1.22" Dimension: 5x40mm / 0.20"x1.57"(H*Max.D) Description: This kind of ball bearing is with 22 stainless steel balls inlaid in the retainer design. Can be a ideal replacement for the mid axle axis bearing of racing bicycle or mountain bike. 2 pieces included in this package. Notes: The size of this product is very important, please check it carefully before purchasing. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 2 x Bicycle Ball Bearings