MAHLE Smartbike Systems X20 TCS Bottom Bracket - PF46-24 With Torque/Cadence Sensor MFPN=601111121 Molded in one-piece from uni-directional CR1469 mm 36 Spring Weight Size:BBS4612 – 12 notch 46mm MFPN=43512
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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3