In the extralite hubs two bearings 61803 are required for the freewheel body and two 61903 for the hub body. These are designed on both sides with a seal. The bearing set includes specially designed stainless steel ball bearings from the bearing specialist Abi Enduro. The bearing set is optimized for use on mountain bikes. It provides high corrosion protection and a very good seal. For example, the bearings keep regular bike washing and use under wet conditions for a long time.
Seal: double sealing seal
Design: Abi-Enduro Stainless Steel ball bearing
Dimensions 61803-2RS: 17 x 26 x 5 mm (Inside x Outside x Width)
Dimensions 61903-2RS: 17 x 30 x 7 mm (Inside x Outside x Width)
Weight: approx. 47g (in set)
Scope of delivery: 2x 61903-2RS (6903) and 2x 61803-2RS (6803) Stainless Steel ball bearing
Note: 61903 are identical to 6903 as well as 61803 to 6803 bearings!
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