Enduro 3903 Sealed Cartridge Bearing Model=Terreno T10 Hardpack Lighter than the competition at

Lighter than the competition at 294 g (compared to Shimano XTR 9200 at 316 g

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Stainless steel bolt with spherical washer

National Japanese Keirin Association approved

Weight: 32t • 66g | 34t • 72g | 38t • 81g

Enduro 3903 Sealed Cartridge Bearing Model=Terreno T10 Hardpack Lighter than the competition atEnduro Standard Design Cartridge Bearings. 90% filled with Mobilux NGLI 2 synthetic grease dual lip labyrinth seals If the bearing you are replacing is not marked with a manufacturer number measure it and compare to specifications listed Bearing I. D. (mm) 17 Manufacturer Number 3903 Bearing O. D. (mm) 30 Material Steel Thickness 10