Stainless

Inner x Outer x Depth (mm): 17 x 28 x 7
Used On: Wheels (Hope)

THIS BEARING IS 1mm DIFFERENT FROM 6903-2RS AND USED IN MANY HUBS. THE ORIGINAL BEARING QUITE OFTEN HAS 61903 ON THE SEAL - CHECK YOUR INTERNAL DIA, THIS HAS 18MM (61903 CAN ALSO BE 17MM INTERNAL DIA WHICH IS 6903)

Inner x Outer x Depth (mm): 18 x 30 x 7
Used On: Wheels

Inner x Outer x Depth (mm): 10 x 26 x 8
Used On: Wheels (Easton, FSA, Stans, Bontrager, Mavic, DT Swiss, On-One)

Inner x Outer x Depth (mm): 12 x 28 x 8
Used On: Wheels (Hope, Mavic, Fulcrum, Planet-X, Campagnolo, Sturmey Archer, HED)

Inner x Outer x Depth (mm): 15 x 32 x 9
Used On: Wheels (Hope, Stans)

Inner x Outer x Depth (mm): 8 x 22 x 7
Used On: Wheels (Mavic, Novatec)

Inner x Outer x Depth (mm): 9 x 24 x 7
Used On: Wheels (Mavic)

Inner x Outer x Depth (mm): 6 x 19 x 6
Used On: SRAM Jockey Wheels

Inner x Outer x Depth (mm): 15 x 24 x 5

Used On: Wheels (Hope, Mavic, Specialized, Stans, DT Swiss, Bontrager, Reynolds, SRAM, Zipp)

Inner x Outer x Depth (mm): 17 x 26 x 5
Used On: Wheels (American Classic, Mavic, Easton, Zipp)