The CeramicSpeed OSPW Aero features a lifetime warranty and is wind-tunnel tested to have 40% less friction compared to a stock derailleur, making it perfect for time trials or triathlons, and this version for Shimano Dura Ace 9200 and Ultegra 8100 has an integrated stop tower for simple installation and durability.
Please provide a one sentence summary of your thoughts. This will be used as the review headline.
Please tell us how you use the product and what you like and don't like about it. Specific examples can make your review more helpful to others.
Enter a user name to list with your review. We will use Anonymous if no user name is provided.
Your location can help others get a better feel for the cycling terrain and weather conditions you deal with.
Tell us what kind of cyclist you are. This will help other readers interpret your review.
We occasionally would like to contact our customers regarding their review. Please provide your email address if you don't mind us contacting you. Your email address will not be used for any other purpose.