Gultnis – Enduro Bearings 6201 LLB ABEC 3

5,00 
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

Gultnis – Enduro Bearings 6901 LLB ABEC 3

10,23 
12x24x6 mm used as a hub bearing for some quick-release hub designs

Gultnis – Enduro Bearings 6904 LLB ABEC 3

8,21 
20x37x9 mm used as a front hub bearing, and can be used as a pivot bearing

Gultnis – Enduro Bearings MR 2437 LLB ABEC 3

8,49 
24x37x7 mm The most common use for this bearing is as a direct replacement bearing for Shimano-type external cup BBs and cranksets with 24mm spindles.

Gultnis – Enduro Bearings 61802 SRS ABEC 5

11,82 
15x24x5 mm used as a hub bearing and can be used as a pivot bearing

Gultnis – Enduro Bearings 61903 SRS ABEC 5

14,18 
17x30x7 mm sed as a hub bearing and can be used as a pivot bearing