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Continue to ChatBushing - 12x18x53.5, Rear Swing Arm, XY1100, Chironex 1000cc, 1100cc, 1pc - BSH121853 - PBC271F1 - https://www.electricbikeusa.net/bearings-bushings-seals/bushing-12x18x53-5-rear-swing-arm-xy1100-chironex-1000cc-1100cc-1pc-pbc301yt