Shimano Ultegra FC-R8100 Power Meter Crankset BF Apparel Compatible with all bikes including

Compatible with all bikes including MTB's with dropper posts

Rechargeable Yes

Innovative

The interlocking handlebar clamp of the X2 makes is as torsionally strong as other 4-bolt designs

As an elegant light strip at the rear of the helmet

Shimano Ultegra FC-R8100 Power Meter Crankset BF Apparel Compatible with all bikes includingThe ULTEGRA FC R8100 P power meter crank offers the full range of functions and the same precision as its DURA ACE counterpart, but at a more attractive price. Training under scientific conditions requires precise measurements, but also user friendliness. The new ULTEGRA R8100 power meter crank excels in both. The dual sided measurement is accurate to within 1. 5%, and zero calibration can be performed quickly and easily. Perhaps most importantly, it