The Shimano BB-RS501 is a budget-friendly external bearing bottom bracket compatible with cranksets having a hollow 24mm spindle (like Andel Deluxe, Sugino 75 Direct Drive & DD2, etc.), and features advanced seal construction for long-lasting performance and improved reliability.

Available with English or Italian threading.

 

ⓘ Not compatible with Sram GXP cranksets, Miche Pistard Air or Pistard 2.0 cranksets.

Specifications

• 68mm English-threaded or 70mm Italian threaded

• compatible with all 24mm Hollowtech II-type cranksets

• sealed cartridge bearings

• aluminum cups w/plastic center sleeve

• use Park Tool BBT-19.2 for installation & removal (TL-FC24 cup adapter required)

• color: silver

• weight: 93g