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S Lower EC44 Bearing Type Cartridge Crown Race 33 Color Black S
One end features a 14mm opening and the other fits into the tension springs to rotate the brake on its bolt
travel/drop 220-240mm diameter 30
Features inner and outer plate chamfering to aid in smooth shifting
Designed with KMC's Special Dynamic K Configuration which offers unsurpassable chain strength
MAHLE Smartbike Systems X20 TCS Bottom Bracket Size:BB86 S Lower EC44 Bearing TypeMAHLE 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
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