MR21531 LLB Enduro Sealed Radial Bike Bearing Abec 3 - 21.5x31x7mm Sealed Less Noise

Less Noise

Static 99000 Cor

Optimal adjustment of the spindle to the shaft with 2-sided spindle tip

B - Cone width: 64

MR21531 LLB Enduro Sealed Radial Bike Bearing Abec 3 - 21.5x31x7mm Sealed Less NoiseThis ABEC 3 bearing features deep groove design races, with grade 10 balls, light contact, dual lip, labyrinth (LLB) seals and 90% fill with high pressure water proof grease to withstand daily abuse of use and the elements. A bit of an oddball size, this bearing generally used as a front hub bearing, specifically for older WTB 20mm hubs. It has also been used for Isis bottom brackets. The Enduro line of bearings are available in high carbon chromium