HOPE JOCKEY WHEEL 13T JOCKEY WHEELS - PAIR - BRONZE"*NOTE These Bronze items are factory seconds with the colour being inconsistent to the original spec. They are discounted to reflect this and are final sale.* ""Suitable for Shimano 12 speed derailleurs, the 13t jockey wheels are lightweight but durable, for those looking for reduced drag in their drivetrain. Key Features Stainless steel cartridge bearings with low friction seals for reduced drag Labyrinth style spacers encapsulating protecting the