Bb-rs500 Tiagra 2-piece Bottom BracketThe 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.

Incorrect pad shape will not seat in the caliper

If you are unsure of your shoe's cleat pattern

punishing descents of Lonavala and Ooty

Contact Cobbled Climbs if unsure — our team can confirm compatibility with your specific setup

Machine washable at 30°C with mild detergent — hang dry and avoid fabric softener to preserve the technical fabric's moisture-wicking properties and elastic recovery over time

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Keep it away from prolonged moisture exposure — particularly relevant during the monsoon season — and wipe it down after use

Measure your head circumference at the widest point above your brows and cross-check MET's official size chart before ordering

Whether you're airing up before a trail session in Coorg

The 2x drivetrain gives you meaningful gear range on steep climbs without complexity

Dura-Ace (R9100/R9200)

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