Shimano RS500 Bottom Bracket is Hollowtech II and includes cups, bearings, and sleeve. Precision bottom bracket bearings are spaced further apart and are therefore more stable and longer lasting than conventional bottom brackets.
Shimano RS500 Bottom Bracket is Hollowtech II and includes cups, bearings, and sleeve. Precision bottom bracket bearings are spaced further apart and are therefore more stable and longer lasting than conventional bottom brackets.