Antigravity Batteries
Antigravity YTX20 Lithium Battery w/Re-Start — Fits 1973-1989 BMW and Harley-Davidson
Antigravity YTX20 Lithium Battery w/Re-Start — Fits 1973-1989 BMW and Harley-Davidson
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Antigravity YTX20 Lithium Battery w/Re-Start — Fits 1973-1989 BMW and Harley-DavidsonAntigravity YTX20 Lithium Battery w/Re-Start — Fits 1973-1989 BMW and Harley-Davidson
Antigravity Batteries

Antigravity YTX20 Lithium Battery w/Re-Start — Fits 1973-1989 BMW and Harley-Davidson

SKU: ANTAG-ATX20-RS

About Antigravity Batteries Antigravity Batteries engineers high-quality automotive parts and ...Read more

Price:
$354.99
3540 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

Product Description
Part Numbers
Sizing & Fit

About Antigravity Batteries

Antigravity Batteries engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Antigravity Batteries lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliability Meets Performance

The Antigravity YTX20 Lithium Battery with Re-Start is the ultimate upgrade for classic BMW and Harley-Davidson motorcycles. If you have ever experienced the frustration of a dead battery, you will appreciate the integrated Re-Start technology. This system monitors the battery's voltage and reserves enough energy to ensure you can always start your bike, even if you accidentally leave your ignition or lights on.

Key Features

  • Re-Start Technology: A simple button press gives you a jump-start from your own battery.
  • Lightweight Design: Significantly lighter than traditional YTX20 lead-acid batteries.
  • High Cranking Power: Provides reliable, high-voltage starts for vintage engines.
  • Durability: Built to handle the specific vibration profiles of classic motorcycles.
  • Maintenance-Free: No need for acid or constant monitoring.

This battery is a direct fit for many iconic models, including the BMW K-series and Harley-Davidson FLST Heritage Softail. By replacing your heavy lead-acid unit with this lithium powerhouse, you not only improve starting reliability but also benefit from better handling due to reduced weight. The YTX20 is engineered to provide years of trouble-free service, making it a smart investment for any vintage motorcycle enthusiast. Experience the peace of mind that comes with Re-Start technology and upgrade your bike's electrical system at GGCRACING.

…and 157 additional fitments. Contact us to confirm yours.

About Antigravity Batteries

Antigravity Batteries engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Antigravity Batteries lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliability Meets Performance

The Antigravity YTX20 Lithium Battery with Re-Start is the ultimate upgrade for classic BMW and Harley-Davidson motorcycles. If you have ever experienced the frustration of a dead battery, you will appreciate the integrated Re-Start technology. This system monitors the battery's voltage and reserves enough energy to ensure you can always start your bike, even if you accidentally leave your ignition or lights on.

Key Features

  • Re-Start Technology: A simple button press gives you a jump-start from your own battery.
  • Lightweight Design: Significantly lighter than traditional YTX20 lead-acid batteries.
  • High Cranking Power: Provides reliable, high-voltage starts for vintage engines.
  • Durability: Built to handle the specific vibration profiles of classic motorcycles.
  • Maintenance-Free: No need for acid or constant monitoring.

This battery is a direct fit for many iconic models, including the BMW K-series and Harley-Davidson FLST Heritage Softail. By replacing your heavy lead-acid unit with this lithium powerhouse, you not only improve starting reliability but also benefit from better handling due to reduced weight. The YTX20 is engineered to provide years of trouble-free service, making it a smart investment for any vintage motorcycle enthusiast. Experience the peace of mind that comes with Re-Start technology and upgrade your bike's electrical system at GGCRACING.

…and 157 additional fitments. Contact us to confirm yours.

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