Please don’t close the window -
transactions can take up to 30 seconds to complete.
transactions can take up to 30 seconds to complete.
- Home >
- Transmission >
- Jockey Wheels >
- Shimano GRX820 2x12 Pulley Wheels (Coated)

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.
Features:
- 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.
Specification:
Discipline: Gravel
SKU: 114121
Net Weight: 23.6 g
Gross Weight: 177 g
Pulley Material: Aluminium
Derailleur Brand: Shimano
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.
Features:
- 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.
Specification:
Discipline: Gravel
SKU: 114121
Net Weight: 23.6 g
Gross Weight: 177 g
Pulley Material: Aluminium
Derailleur Brand: Shimano