Surly Big Dummy/Big Easy Trailer Hitch Assembly Black double wall }Avid/ SRAM 40mm IS Disc

}Avid/ SRAM 40mm IS Disc Brake Adaptor Fits 200mm Front and 180mm Rear Rotors

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}DT Swiss Torque End Caps - 240

Bulk packaged corrosion resistant stainless steel fasteners

TruVativ Trushift ChainringTrushift middle and outer rings (32T 36T and 44T) feature shift ramps and pins

Surly Big Dummy/Big Easy Trailer Hitch Assembly Black double wall }Avid/ SRAM 40mm IS DiscSurly Big Dummy Big Easy Trailer Hitch Assembly Black. The Dummy Hitch assembly replaces the wheel yoke of your Surly Bill or Ted Trailer and inserts into the horizontal tubes on the non drive side of your Surly Big Dummy or Big Easy thereby making it possible to haul your trailer using your cargo bike.