Minoura KAGURA Direct Drive Fixed Roller - Type: Fixed Roller - Includes 12s sprocket (no wear) - With instruction manual Compatible with rim brake and disc brake bikes Comfortable to use at night due to the lack of vibration and noise. https://apps.apple.com/jp/app/minoura-live-training/id1530775177 This smartphone app allows for roller operation, load setting, and training data management. (Zwift compatible) Minoura Fixed Roller Training Road Bike SHIMANO Shimano Road Bike Components Components 12s 12 speed di2 Di2 r7170 r8150 r9100 r9000 r7900 r8000 r6800 r6700 r7000 r5800 r5700 Power Meter Road Bike Dura-Ace Ultegra Shimano 105 Tiagra Shimano Campagnolo SRAM Trek Giant Bianchi Cannondale Scott Orbea Merida