MAHLE Smartbike Systems X20 TCS Bottom Bracket - PF46-30 With Torque/Cadence Sensor Model=Hellcat Clipless Shoe - Women's }Abus Bosch DownTube Battery Lock

}Abus Bosch DownTube Battery Lock - DT3 Xplus Cylinder Powerpack External Battery

}K-EDGE SRM Professional Road Braze-On Chain Catcher Black

6mm diameter

Stainless steel mounting hardware is included

MAHLE Smartbike Systems X20 TCS Bottom Bracket - PF46-30 With Torque/Cadence Sensor Model=Hellcat Clipless Shoe - Women's }Abus Bosch DownTube Battery LockMAHLE Smartbike Systems X20 TCS Bottom Bracket PF46 30 With Torque Cadence Sensor. MAHLE TCS (torque and cadence sensor) bottom bracket helps riders conserve battery by measuring the power input from the rider and adjusting the support from the motor accordingly. Torque accuracy of approx. 95% (+ 5% of tolerance) Torque signal refreshing each 5ms Cadence signal of 40 pulses per revolution