・Fastest ever rear shifting

Makes tubeless installation faster and cleaner

SHIMANO derailleur roller set Ultegra RD-R8000 | RD-R8050 | GRX RD-RX812

and dimensional control

magene teo p515 wattmaler Lenght:170mm ・Fastest ever rear shiftingExperience precision training with the Magene TEO P515, a spider based power meter integrated into an ultra light carbon fiber crankset. This advanced system combines exceptional accuracy with minimal weight and maximum stiffness, enabling data driven performance optimization. Whether you're refining your cycling technique or pushing your limits, the TEO P515 delivers the reliable metrics serious riders demand for measurable improvement.