Description
The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur. The design includes an integrated stop tower for easier mounting
- Features a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Precision machined aluminum pulleys are durable and lightweight
- Carbon fiber cage
- Includes an integrated stop tower for easier mounting
- Compatible with 9100/9150 and 8000 series – exception being the R8000 GS (long cage) or clutch equipped Ultegra RD RX800 and RX805
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