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Continue to ChatHitch Receiver - Extension Tube, 1 7/8" Mount, XY500UE, XY600UE, Chironex - 70A6600 - PBC630F1 - https://www.electricbikeusa.net/brakes/hitch-receiver-extension-tube-1-7-8-mount-xy500ue-xy600ue-chironex-pbc527yt