MR 20307 LLB - ABEC-5, Radial Bearing (C3 Clearance) - 20mm x 30mm x 7mm sale B 543 2RS MAX -

B 543 2RS MAX - 1-1/2 Max-Type Headset Bearing (1-9/16 2 x 9/32 inch)

61903 LLU/LLB A5L - Solid-Lube

An original Enduro innovation

The most common use for this bearing is as a direct replacement bearing for Shimano bottom brackets with a 24mm OD spindle

MR 20307 LLB - ABEC-5, Radial Bearing (C3 Clearance) - 20mm x 30mm x 7mm sale B 543 2RS MAX -MR 20307 LLB ABEC 5, Radial Bearing (C3 clearance) 20mm x 30mm x 9mm This ABEC 3 bearing features deep groove design races, with Grade 10 balls, light contact, dual lip, labyrinth (LLB) seals and 90% fill with high pressure water proof grease to withstand daily abuse of use and the elements. This size bearing generally used as a front hub bearing, specifically for Mavic and Profile Racing. It is also used by Trek as a pivot bearing, though the MAX