Product Description
Shimano 4500 BB Cups For Double/Triple/Compact Chainset
Outboard Bottom bracket bearing cups for use with Tiagra FC4500, FC4503 and Compact FC4550 2-piece cap-free design chainsets
Features:
Minimal bearing interface gives superbly smooth rolling
Required for installation of FC4500, FC4503 and FC4550 chainset
Italian and English thread available