[Name]: Extend Tail Hook / Rear Dialing Converter [Weight]: about 11.7g (including screws) [Material]: Made of high quality aluminum alloy and processed by CNC. It is strong, firm, durable and corrosion resistant [Installation]: The screws provided with the extender need to...

[Package includes]: 1pic chain+1pic steel cassette [Speed]: 10 speed For MTB Want 10 speed Steel cassette&chain set for Road Bike? Click here>>> Want 10 speed ultralight Aluminum cassette&chain set for MTB? Click here>>>

[Package includes]: 1pic chain+1pic steel cassette [Speed]: 10 speed For Road Bike Want 10 speed Steel cassette&chain set for MTB? Click here>>> Want 10 speed ultralight Aluminum cassette&chain set for MTB? Click here>>>