61903 LLU/LLB C3 Enduro Bike Bearing Dual Seal

Precision Tolerance: ABEC5

Seals: LLU/LLB Dual Seal Technology

Material: 52100 High Carbon Chromium Alloy

Clearance: C3 Internal Clearance

Used on: Hubs, Bottom Brackets

LLU/LLB – Dual Seal bearing places a LLU full contact seal on the outside facing surface of the bearing, while the Inboard facing LLB medium contact seal offers less drag.