Harddrive 24MM Rear Belt - 140t Oe# 40024-09a — Harley-Davidson Street Glide, Electra Glide Ultra Limited, Road King (2009-2024)

Harddrive 24MM rear belt (140-tooth, OE# 40024-09a) built with carbon fiber reinforced tension members for V-Twin motorcycle drivetrain demands. Resists punctures and handles temperature extremes from -30°C to +130°C without losing grip or noise control.

Features

• Carbon fiber tension member for higher strength than aramid alternatives
• Tooth-facing fabric resists punctures and road debris
• Synthetic rubber teeth provide low noise and temperature resistance
• Synthetic rubber backing increases flexibility and width stability
• Made in the USA

Specifications

• Brand: Harddrive
• Manufacturer Part #: 21192462
• OE Part #: 40024-09a
• UPC: 191361537561
• Teeth: 140
• Length: 14 in
• Width: 14 in
• Height: 2 in
• Weight: 3 lbs

Fitment

Designed for demanding V-Twin motorcycle drivetlines. Verify OE# 40024-09a matches your specific model before ordering.

Frequently Asked Questions

What's the advantage of carbon fiber over aramid tension members?

Carbon fiber provides higher structural strength and better performance under extreme V-Twin torque and stress compared to aramid alternatives.

Will this belt handle extreme temperatures?

Yes — the synthetic rubber compound maintains grip and flexibility from -30°C to +130°C, resisting cracking in cold and softening in heat.

Is this an OEM replacement?

This Harddrive belt matches OE# 40024-09a for V-Twin applications and is built to handle factory-demanding specifications.

How do I know this fits my bike?

Cross-reference your current belt's OE part number (40024-09a) or confirm the 140-tooth, 14-inch length matches your manual before ordering.