• Up-Cup - 15973

Up-Cup

Problem Solvers Up-Cup replaces the plastic left side bottom bracket cup in Shimano UN54 bottom brackets.

  • Designed as a Shimano-compatible non-drive side cup for Shimano UN54 bottom brackets
  • Durable and reliable alloy construction; use to replace or upgrade from the plastic style
  • Designed as a Shimano-compatible non-drive side cup for Shimano UN54 bottom brackets
  • Durable and reliable alloy construction; use to replace or upgrade from the plastic style