CeramicSpeed OSPW RS Pulley Wheel System Shimano Dura Ace 9250 Ultegra 8150 Aluminum Pulley Carbon Cage BLK Range 11 23 Defined Color Black PSI 60 Defined Color Black PSI 60 TPI 60 Weight 554 Tire Type Tubeless Ready Clincher Tire Intended Use Gravel Tire Intended Use Touring Hybrid Color Black Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 45 ISO Width (mm) 45 ISO Diameter 622 Road 29" Color Red Pad Attachment Style Threaded Post Rim Compatibility Standard Intended Brake Type Linear Pull Pad Type One Piece Grade 3 Silicon Nitride ball bearings are 400% smoother 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry top{margin bottom:30px