Harddrive 24MM Rear Belt - 133t Oe# 40000001 — Harley-Davidson Softail Slim, Softail Heritage Classic, Softail Fat Boy (2012-2017)

Harddrive 24MM rear belt in 133-tooth OEM configuration, reinforced with carbon fiber tension member for V-Twin drive lines. Engineered to outperform Aramid belts in high-stress applications with synthetic rubber teeth and specially treated tooth fabric.

Features

• Carbon fiber tension member for increased strength over Aramid
• Specially treated tooth facing resists punctures and debris
• Synthetic rubber teeth rated -30°C to +130°C
• Synthetic rubber backing increases flexibility and width stability
• Made in the USA

Specifications

• Brand: Harddrive
• Manufacturer Part #: 21192460
• UPC: 191361537547
• Tooth Count: 133
• Width: 24mm
• Length: 14 in
• Weight: 3 lbs
• Country of Origin: USA

Fitment

Fits V-Twin motorcycles requiring a 24MM, 133-tooth rear belt. Verify OEM belt specification before ordering to ensure compatibility with your engine.

Frequently Asked Questions

What's the advantage of carbon fiber over Aramid in a drive belt?

Carbon fiber provides higher tensile strength and better performance under extreme load and temperature swings common in demanding V-Twin applications.

Will this belt work in extreme temperatures?

Yes — synthetic rubber teeth are rated to perform between -30°C and +130°C.

Does this fit my specific Harley or Indian?

This is a 133-tooth, 24MM belt. Cross-reference your bike's OEM belt spec number (40000001) with your service manual to confirm fitment.

What's included?

The belt only — no additional hardware or tools. Installation requires basic mechanical knowledge or a qualified technician.