Bicycle Ceramic Bearing 30x42x7mm Steel+ceramic Ceramic Bearing Brand

Bike Bicycle Bottom Bracket 6806 for RS（61806） Ceramic Ball Bearing 30x42x7mm. Size: About 30x42x7mm. 1 x Ceramic Bearing. Material: Steel+Ceramic. Model: 6806 for RS(61806). 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.