Harddrive Adapter Ring - 2.22" Down TO 1.99" — Harley-Davidson Electra Glide Classic, Softail Custom, Softail Heritage Classic (1984-1999)

Harddrive adapter ring that steps down from 2.22" to 1.99" bore diameter, allowing larger drive components to fit onto smaller shafts in V-twin drivetrain systems. Lightweight cast construction for direct installation.

Features

• Steps down from 2.22" to 1.99" bore
• Lightweight cast design
• Direct-fit replacement

Specifications

• Brand: Harddrive
• Manufacturer Part #: 144106
• UPC: 191361170454
• Weight: 0.0707 lbs
• Country of Origin: China (Taiwan)

Fitment

Fits V-twin motorcycles with compatible drive systems requiring a 2.22" to 1.99" bore step-down adapter.

Frequently Asked Questions

What does this adapter do?

It allows 2.22" bore drive components to fit onto 1.99" shafts, bridging the size difference in your drivetrain.

Is this a direct bolt-on?

Yes — this is a direct-fit replacement adapter ring with no modifications needed.

What's the weight?

0.0707 lbs — lightweight cast construction minimizes drivetrain load.

Will this fit my specific bike?

This adapter works on V-twin motorcycles with compatible drive systems. Verify your shaft diameter and drive component bore before ordering.