By upgrading your rear derailleur with ceramic bearings, you significantly reduce the overall friction of the drivetrain and extend the life of the bearings. CeramicSpeed bearings are much more durable than standard bearings, require less maintenance, but are still easy to maintain when needed.

Technical data:

• Bushings made of aluminum
• CeramicSpeed Standard bearings 
• Bushings fit all 11-speed Shimano road rear derailleurs
• Weight (2 sprockets with bearings) 22g

Box contents:

• 2 sprockets (11T)
• 4 spacers
• CeramicSpeed bearing oil 15ml bottle
• Stickers

Warranty

Standard products come with a 4-year warranty (if you register the product on the manufacturer’s website within 30 days of purchase – https://www.ceramicspeed.com/en/cycling/support/warranty-program/register-your-product). Without registration, the warranty is 2 years.

Coated products have a 6-year warranty (if you register the product within 30 days of purchase on the manufacturer’s website -https://www.ceramicspeed.com/en/cycling/support/warranty-program/register-your-product). Without registration, the warranty is 4 years.