Sunday Wavelength BMX Frame Model=XD600 Tandem Crank Arm With a raceworthy weight and

With a raceworthy weight and the right gearing for any situation microSHIFT's top-of-the-line ADVENT X rear derailleur delivers high-end performance without high-end headaches

4 Length 30 Bar Clamp Diameter (mm) 31

Ultralight 8mm Hex Wrench Insert - pedal removal and other 8mm hex applications

more than most other carbon cages

The Cadence Sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training

Sunday Wavelength BMX Frame Model=XD600 Tandem Crank Arm With a raceworthy weight andIntroducing Gary Young's signature Wavelength frame. With a longer rear end and top tube options this frame is designed for riders who love to go fast and want a more stable ride for trails and transitions. 100% 4130 chromoly frame Removable U brake hardware and Gyro tabs Wave Down Tube: Down tube dents are common with the competitor's frames and they significantly weaken the front end of your bike. The double butted 1. 45" diameter down tube feature