Easton Maxum Ultra BBCOR Baseball Bat -3oz BB21MX

Easton Maxum Ultra BBCOR Baseball Bat –3oz (BB21MX)

When Easton brought the Maxum name back, they didn't just revive a legacy — they redefined what a one-piece composite BBCOR bat could do. The Easton Maxum Ultra picks up where the beloved Maxum 360 left off and takes it further, built around one obsessive goal: give hitters the biggest barrel, the most forgiving sweet spot, and the most explosive contact possible within the BBCOR rules. Previous-year model, full-throttle performance — and at CheapBats.com pricing, it's one of the best values in BBCOR baseball.

The foundation is Easton's Seamless Carbon Construction — a one-piece composite build engineered to deliver the stiff, direct feel of a one-piece bat while unlocking the massive, smooth sweet spot that only composite can provide. That combination is rare in BBCOR, and the Maxum Ultra nails it. The XXL barrel is the biggest barrel contour on any one-piece bat in the game — not a marketing claim, a measurable reality you'll feel the moment you step in against live pitching. Easton took player-driven feedback from elite high school and college programs and re-balanced the Maxum Ultra specifically, adding more mass to the barrel for more speed and power than its predecessors. The result is a bat that punishes hard contact and turns borderline swings into honest gap shots.

The swing feel is slightly end-loaded, with that extra barrel mass giving power hitters the momentum they crave through the hitting zone. But because this is composite — not alloy — the feel at contact is smooth, forgiving, and incredibly satisfying even when you're not perfectly on the barrel. The Flow-Tack Grip keeps your hands locked in with the ideal blend of cushion and tack, pitch after pitch. One thing to keep in mind: like all composite bats, the Maxum Ultra benefits from a proper break-in period of around 150–200 swings off a tee or soft toss before it fully opens up. Once broken in, players consistently report exit velocities that make coaches do a double take.

Bat Features

• Seamless Carbon Construction – One-piece composite build delivers a stiff, responsive feel with zero energy loss and a massive sweet spot that only composite materials can produce
• XXL Barrel Profile – The largest barrel contour on any one-piece BBCOR bat in the game — more hitting surface, more forgiveness, more damage done
• Player-Driven Re-Balanced Swing Weight – More mass added to the barrel versus the Maxum 360 for increased power output and improved performance through the hitting zone
• Slight End Load – Extra barrel mass rewards power hitters and gap-to-gap swingers with added momentum at contact
• 2 5/8" Barrel Diameter – Standard BBCOR barrel sizing with an XXL profile optimized for maximum sweet spot coverage
• Flow-Tack Grip – Easton's premium grip delivers the ideal blend of cushion and tack for total hand control and comfort through every swing
• BBCOR .50 Certified – Fully legal for NFHS high school and NCAA college play

In the Box

• 2021 Easton Maxum Ultra One-Piece Composite BBCOR –3oz bat
• Official 1-year manufacturer warranty card

Who This Bat Is Built For The Maxum Ultra is the BBCOR bat for the hitter who wants barrel. Full stop. If you've ever fouled off a pitch you should have crushed, or felt a bat sting your hands on a ball off the end, this bat was built to solve both problems. The cleanup hitter who needs to punish anything in the zone. The gap hitter who wants a forgiving sweet spot that sprays line drives whether he's on time or a hair late. The high school or college player who wants composite feel and one-piece stiffness without having to choose between them. This is also a phenomenal value play — a discontinued model with elite construction and proven pop, now available at a price that makes it one of the smartest buys in BBCOR. Load up, stay through the ball, and let that XXL barrel do the rest.

The Maxum name earned its reputation one crushed baseball at a time. The Ultra delivers on every bit of it.

All bats purchased from CheapBats.com are backed by a full 1-year manufacturer warranty, and every order ships fast and free — from an authorized Easton dealer you can trust.