Shimano Tiagra BB-RS500 For 3500/4700

£16.99

Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets. British Thread

Specification
  • Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets
  • Minimal bearing interface gives superbly smooth rolling
  • Easy installation
  • British thread