Harddrive 1" Rear Belt - 131t Oe# 40046-07 — Harley-Davidson Dyna Street Bob, Dyna Fat Bob, Dyna Wide Glide (2007-2017)

Harddrive 1" rear belt with 131-tooth profile, engineered with carbon fiber reinforcement for high-strength performance in demanding V-Twin powertrains. Synthetic rubber teeth and backing resist heat, cold, and debris for long service life.

Features

• Carbon fiber tension member for superior strength
• Synthetic rubber teeth rated -30°C to +130°C
• Puncture-resistant tooth facing fabric
• Synthetic rubber backing for flexibility and width stability
• Made in the USA

Specifications

• Brand: Harddrive
• Manufacturer Part #: 21201901
• UPC: 191361537578
• Tooth Count: 131
• Width: 1 in
• Length: 14 in
• Weight: 3 lbs
• Country of Origin: USA

Fitment

Designed for demanding V-Twin motorcycle drive lines. Verify OE# 40046-07 fitment with your bike's year, make, and model before ordering.

Frequently Asked Questions

What makes this belt different from standard Aramid belts?

The carbon fiber tension member provides higher structural strength and superior performance compared to traditional Aramid reinforcement.

Will this belt handle cold weather riding?

Yes — synthetic rubber construction is rated from -30°C to +130°C, so it performs in freezing conditions without stiffening.

How do I know if this fits my bike?

Cross-reference OE# 40046-07 with your motorcycle's service manual or contact the seller with your year, make, and model.

Is the belt resistant to road debris?

Yes — the specially treated tooth facing fabric is designed to resist punctures and damage from road debris.