2 Pack Lawn Mower Blade Replacement AB2100 Compatible with EGO Power+ 56V Models LM2100 LM2101 LM2100SP LM2102SP, Black Mulching Lawn Mower Blade 21 Inch Deck

What It Is

This is a 2-pack of black mulching blades designed to replace OEM AB2100 blades on EGO Power+ 56V mowers with 21-inch decks. They’re meant for cutting grass into fine clippings that decompose quickly, reducing bagging needs.

Fitment & Compatibility

• Deck size: Must be exactly 21 inches. Measure your deck width before ordering.
• Models confirmed: EGO LM2100, LM2101, LM2100SP, LM2102SP. Also fits other EGO 56V 21-inch models using AB2100 blade (check your manual or current blade part number).
• OEM vs aftermarket: This is a non-OEM replacement. The blade hole pattern and length match AB2100 specs, but aftermarket blades may have slight weight or balance differences.
• Measurements: Blade length is 21 inches (tip to tip), center hole is 7/8-inch, with a 2-inch offset between holes. Confirm these match your existing blade.

Key Things to Know

• Mulching performance: The curved, dual-edge design lifts grass for multiple cuts. Works best with dry, short grass—wet or tall grass may clump.
• Installation difficulty: Easy; you’ll need a socket or wrench (usually 13/16-inch or 5/8-inch). Torque to 35-45 ft-lbs. No special tools required.
• Balance check: Aftermarket blades can be slightly off-balance. Spin the blade on a screwdriver or use a balancer before installing to avoid vibration.
• Durability: Black coating resists rust, but sharpening after heavy use (every 10-15 hours) extends life. Not intended for hitting rocks or roots.

Should You Buy It

If you own an EGO 56V 21-inch mower with AB2100 blades and want a budget-friendly mulching upgrade, this 2-pack saves about $15-20 over OEM. It’s best for homeowners with standard lawns who value fine clippings over bagging. Skip it if you need a high-lift blade for bagging or have a different deck size.