Color	20.5mm x 7 Balls 25mm x 7 Balls 29.5mm x 9 Balls 31mm x 9 Balls 37.2mm x 16 Balls 37mm x 20 Balls 37mm x 7 Balls 40mm x 20 Balls 44mm x 9 Balls
20.5mm x 7 Balls 25mm x 7 Balls 29.5mm x 9 Balls 31mm x 9 Balls 37.2mm x 16 Balls 37mm x 20 Balls 37mm x 7 Balls 40mm x 20 Balls 44mm x 9 Balls

Description
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Item specifics

Brand Name X Autohaux
Origin Mainland China
Height 0
Model Number Bike Ball Bearing
Weight 0.05kg
Material Steel
Size 30mm
Outside Diameter 0
Bore Diamete 0
Color silver
Package Include 4 pcs
Function 1 Bike Ball Bearing
Function 2 Ball Bearing Cage
Function 4 Wheel Ball Bearing
Function 6 Bearings for Bicycle
Function 7 Bike Bearing
For Bike Type Mountain Bikes Lowrider Bikes Stretch Bikes
Placement on Bike Front/Rear Hub Bottom Bracket

Product Description

Notice:There are 9 types of bearing retainers here.Number 1, 20.5mm*7 balls, are commonly used in bicycle front hub;Number 2, 25mm*7 balls, are commonly used in bicycle rear hub;Number 3, 29.5mm*9 balls, are commonly used in bottom brackets of mountain/road/ordinary bike;Number 4, 31mm*9 balls, are commonly used in splitted bottom brackets of children bike;Number 5, 37mm*7 balls, are commonly used in cranks of Children bike;Number 6, 37.2mm*16 balls, are commonly used in front fork headset of ordinary bike;Number 7, 37mm*20 balls, are commonly used in headset of some electric bikes;Number 8, 40mm*20 balls, are commonly used in front fork headset of mountain bike, just compare it with number 6;Number 9, 44mm*9 balls, are commonly used in some old-fashioned bikes.

Description:

This kind of ball bearing stainless steel ball inlaid in the retainer design.
Can be an ideal replacement for the bicycle or racing bicycle or mountain bike.
Before purchasing, please confirm whether the size of the accessories of your bike is matched with this product.

Package Include: