CeramicSpeed OSPW X- Shimano GRX/Ultegra RX 2X

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.

• Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
• Robust cage crafted from polyamide and carbon fiber for durability and light weight
• Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
• Compatible with Shimano GRX 810 & GRX 815, Shimano Ultegra RX 800 & Ultegra RX 805
• Cassette compatibility up to 11-36
• Four spring tension settings allow customized setup based on ride conditions

• Largest Cog: 36
• Fits Brand: Shimano
• Fits Model: Shimano GRX 810 & GRX 815 , Shimano Ultegra RX 800 , Ultegra RX 805
• Defined Color: Black

First, you'll get 10% in store credit to use towards future purchases.

Our prices match the prices you might see on any brand's website, and our delivery times are roughly the same as theirs.

Also, when you purchase through us, you get:

• Advice on whether the bike or product suits your needs.
• A professional build for all bikes, which ensures safety. If there is an issue, we can promise you that 99 out of 100 times, it will be resolved quicker than you can in your garage.
• A build history that becomes a service history, ideally. That can be very helpful if you do have any sort of warranty issue.
• Warranty support - Just contact us and we will guide you through the process.