Compatibility: FC-R9100 / FC-R8000 / FC-R7000 Speed: 10s / 11s / 12s Material: AL7075 Heat treatment: T6 Colour black Size: 50-34T / 52-36T / 53-39T Weight: 50-34T 132g / 52-36T 148g / 53-39T 157g / Trim Bolts 29g