Reducer Sleeve (2-1/2″ to 2″ Shank)


  • Reduces a 2-1/2″ x 2-1/2″ receiver tube opening to fit a 2″ x 2″ shank
  • High-strength carbon steel construction
































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SKU: CT 45405 Category:


CURT hitch adapters can be used for many different purposes when hitching up a trailer. Whether a ball mount shank is too small or too large to fit into a receiver tube, a CURT adapter can make up the difference. Our adapters are built with exceptional strength and designed to be precisely fitted for their application. We carry trailer hitch adapters to accommodate both receiver tube openings and shanks of 1-1/4″, 2″ and 2-1/2″ dimensions. CURT adapters also come in various lengths to allow more clearance for a cargo carrier, bike rake or spare tire.

This CURT reducer sleeve adapter converts a 2-1/2″ x 2-1/2″ receiver tube opening to a 2″ x 2″ opening. It installs easily and is compatible with virtually any 2-1/2″ x 2-1/2″ hitch. Its gross trailer weight capacity and tongue weight capacity are limited to the hitch.

All CURT adapters are constructed using our quality manufacturing processes. Each unit is CNC-formed, welded together using advanced robotic systems and then every surface mechanically descaled to make each adapter smooth to accept a finishing coat. To finish off this adapter, it is given a durable black carbide powder coat finish to ensure it has excellent rust, chip and UV resistance.

  • Protected by a highly durable carbide powder coat finish
  • Limited lifetime warranty (one-year finish, one-year parts)


  • Weight capacity limited to hitch capacity




















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Did you know that-

Eliminating just 400lbs in a full size van could increase fuel economy over 1 mpg and save you more than $2,640 over the vehicle lifetime!!

Fun Fact

Saving a vehicle operator just 5 minutes per day with customized organization could gain you 21 billable hours per year and save you more than $6,664 over the vehicle lifetime!


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