Bb-rs500 Tiagra 2-piece Bottom Bracket Brand_Sidi Aero-profile bars on performance bikes

Aero-profile bars on performance bikes may need a shim or adaptor

Compared to an alloy wheelset

Together these cover the full service cycle after every ride

Polygon's warranty typically covers the frame for five years to lifetime and components for one to two years

Bb-rs500 Tiagra 2-piece Bottom Bracket Brand_Sidi Aero-profile bars on performance bikesThe Shimano BB RS500 Tiagra 2 piece Bottom Bracket is a road specific bottom bracket built to the precise engineering standards Shimano is known for worldwide. Designed for Tiagra groupset builds, it keeps your drivetrain spinning freely and efficiently whether you are grinding up the Western Ghats on a long weekend or commuting through Chennai traffic in peak summer heat. Use Cases Daily training. Reliable construction for repeat use. Race day.