Box TwoÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ_ÌÎå«Ì´å External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings Box TwoÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ_ÌÎå«Ì´å External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings The perfect match to Box ThreeÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ_ÌÎå«Ì´å and Four cranks, and the ultimate upgrade to the budget BBs sold with most cranksets