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Best Seller | MAHLE Smartbike Systems X20 TCS Bottom Bracket - PF46-24 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... more | FREE shipping go to store |
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