_x000D_ Type A 4pcs_x000D_ : Description: * new and high quality *Made of high quality material, and practical to use *32-40mm Bicycle Bike Headset Balls Caged Ball Bearing Race Cycling Bearing Set Specification: *Material: Steel *Color: Black (As Pictures Show) *Size: About 32-40mm *Weight: About 40g Package Includes: 4 x Headset Balls Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Type B 4pcs_x000D_ : Description: * new and high quality *Made of high quality material, and practical to use * FULL BIKE WHEEL BEARING SET * REAR 1/4" INCH BEARING DIAMETER (CAGE DIAMETER 25MM) * FRONT 3/16" INCH BEARING DIAMETER( CAGE DIAMETER 20mm) Specification: *Material: Steel *Color: Silver (As Pictures Show) *Size: As Pictures Show *Weight: About 20g *Model: 3/16" and 1/4" Package Includes: 4 x Wheel Hub Bearings Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_