Shimano Ultegra FC-R8000 Crankset 11-speedThe Hollowtech II crankset will help you transfer more power into speed. It offers weight reduction without sacrificing stiffness. It enables a wide range of gear combinations to suit your every need. Paired with the new front and rear derailleurs, your shifts will be so fast and reliable youll almost question whether they happened at all! The beautifully shaped crankarm, trickled down from Dura Ace, is a tribute to the aesthetics of your bike. The

Sound Volume：83

Recommended BB_Threaded (normal) SM-BB93

Recommend Cleats: SM-SH56

Shimano Tiagra FD-4700 2x10 Speed Brazed On Mount Front Derailleur ROAD

Rear speeds 9

Front Difference: 16T

Both M8000 derailleurs bring a drastic reduction in shift effort with efficient cable routing and enhanced stability

BMX Bike - Old School

Rear Derailleur Mount Type: 10x1 Standard

Size: 9/16 inch

- Transmitter and receiver unit for wireless adjustment of the Multi-Shift and Synchro-Shift functions via smartphone and tablet

High leverage clamp design - A long lever