CeramicSpeed OSPW System SRAM Rival AXS The OSPW System SRAM Rival AXS from CeramicSpeed offers a significant gear shifting performance upgrade for faster and smoother shifting. This version is compatible with SRAM Rival AXS rear derailleurs and is available with standard and coated aluminium pulleys.The Oversized Pulley Wheel System for SRAM Rival AXS features a 15-tooth upper and 19-tooth lower pulley wheel setting, for maximum efficiency. The hand built OSPW System has two spring tension settings, that allow customised setup based on riding conditions. As with all other CeramicSpeed products, this new OSPW System has been thoroughly tested. Besides thousands of test kilometres among both professional and amateur riders, CeramicSpeed’s Founder and CEO has spent more than 5.000 km in the saddle, testing the product. With the guys from R&D following him closely and listening to his feedback from every single ride, we can proudly say that no details are left un-tested. Since its introduction in 2015, the CeramicSpeed Oversized Pulley Wheel System has been through 13 unique derailleur compatibility developments. No other pulley system has the depth of use and trust as the CeramicSpeed OSPW, which counts both Men’s and Women’s Triathlon World Champions, World Tour professional road teams, XCO professional MTB Teams, and elite athletes worldwide as its users. The aluminium CeramicSpeed pulleys come in both coated and standard versions (see multiple options in the selection menu at the top). Features: Compatibility: for SRAM Rival AXS In The Box: Complete OSPW System for SRAM Rival AXS CeramicSpeed Pulley Oil, 15 ml. dropper bottle Custom tool for removal of stock cage and securing of OSPW SystemBuy CeramicSpeed Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.