🧾 Product Description:
Looking to buy a motorcycle battery for your pit bike, race bike, or kick-start build with minimal space? The Antigravity AG-401 is a compact lithium motorcycle battery designed for the lightest of setups—perfect for 50cc–250cc motorcycles or bikes without electric start.
Weighing just 1 lb and producing 120 Cranking Amps, it’s a popular choice for racers, builders, and custom applications where every ounce matters. If you're seeking a motorcycle battery replacement that’s compact, efficient, and designed for performance—not price—this is the one.
Dimensions: 4.25″ L × 1.25″ W × 3.75″ H (108 × 32 × 95 mm)
✅ Key Features:
120 Cranking Amps / 6 Ah PbEq
Smallest lithium battery in the AG line
Just 1 lb — saves up to 5 lb vs lead-acid
Non-spillable, vibration-resistant design
No parasitic drain — holds charge for up to a year
Ideal for racing, kick-start, and custom setups
🏍️ Confirmed Fitment:
KTM 65 SX, 85 SX (kick-start only)
Honda CRF150R (kick-start only or custom lightweight build)
Yamaha YZ125, YZ250 (converted to electric or ultralight setups)
Custom builds, minibikes, track-only race machines without starter motors