CeramicSpeed Shimano 12s Pulley Wheels GRX RX-820 2x12 Black 

The CeramicSpeed Pulley Wheels for Shimano GRX 820 2X12 consist of a set of 11-tooth upper and 13-tooth lower anodized aluminum pulleys for precise shifting and long-lasting durability.

Equipped with hand built CeramicSpeed hybrid ceramic bearings for the ultimate in efficiency, and available with either the standard finish and a four year warranty, or our coated surface treatment backed by a lifetime warranty.

These pulleys are developed, designed, and hand built in Denmark.

In the box:

• 11-tooth upper + 13-tooth lower pulley wheels.
• Spacer kit.
• CeramicSpeed UFO Oil for Pulley Bearings, 10ml dropper bottle.
• Decal.