Bicycle Bearings 
Bag of Loose or Pair of Caged Bearings

Please Select your option of Bearings using the dropdown arrow
If your selection is caged bearings you will receive a Pair

Bearings Available:

HeadSet: 
1" Headset Cage (5/32" Bearings) : 37mm Outside Diameter
1 1/8" Headset Cage (5/32" Bearings) 40mm Outside Diameter

Bottom Bracket:
1/4" Bottom Bracket Cage: 29mm Outside Diameter (for most adults bicycles)
5/16" BMX Bottom Bracket Cage: 44mm Outside Diameter (for most old school and US BMX's)
5/16" JUNIOR Bottom bracket Cage: 38mm Outside Diameter (for kids bikes and some small BMX's)

Wheels:
1/4" Rear Hub Cage: 24mm Outside Diameter
3/16" Front Hub Cage: 20mm Outside Diameter

Loose:
1/4" : Bag of 22
3/16" : Bag of 20
5/16" : Bag of 30
5/32: Bag of 40
1/8" : Bag of 70 (Ideal of Freewheels or Vintage Raleigh Headsets)
7/32" Bag of 20

All Measurements are Appox 
If you are not sure what size you need please contact us

Please note not all Front Hubs are 3/16" 
Please note not all Rear Hubs are 1/4"
Please note not all BMX bottom Brackets are 5/16" 

Browse our eBay store: hopkinsoncycles-2008

(For technical or contact details, contact us using the phone number found below in the business seller information box)