Bearing BEARING TREK 3801 6801V LLU DOUBLE 12 X 21 X 8MM BEARING TREK 3801 6801V LLU DOUBLE 12 X 21 X 8MM part name: Bearingpart make model: BEARING TREK 3801 6801V LLU DOUBLE 12 X 21 X 8MMBEARING TREK 3801 6801V LLU DOUBLE 12 X 21 X 8MMbike part approved: