Bearing – Enduro Bearings 6201 LLB ABEC 3

5,20 

12x32x10 mm used as a hub bearing for some older quick-release hub designs but has also been used for-bike motors and and indoor trainers

Bearing – Enduro Bearings 63803 LLB ABEC 3

12,30 

17x26x7 mm, used as a hub bearing for some hub designs, but more often is used as a pivot bearing

Bearing – Enduro Bearings 63804 LLB ABEC 3

9,75 

20x32x10 mm, bearing for some hub designs, but more often is used as a pivot bearing

Bearing – Enduro Bearings 6700 2RS ABEC 3

10,37 

10x15x4 mm, used as a hub bearing for some ultra lightweight hub designs, but more often is used as a pedal bearing

Bearing – Enduro Bearings 6702 2RS ABEC 3

10,71 

15x21x4 mm, used as a freehub bearing for some lightweight hub designs, DT Swiss in particular