Youth Backyard Pro Batch - BY4

BY4 – RA13 Inspired

Modeled after the RA13 (Acuña Jr.), the BY4 features a slightly end-loaded feel, flared knob, and extended barrel designed for hitters who like to drive the ball with authority. Built for power without sacrificing bat speed, this profile delivers a smooth swing and explosive barrel through the zone.

Whether you're looking to punish mistakes, drive gaps, or launch balls over the fence, the BY4 is built for aggressive hitters who want confidence in every swing.

Features:

• RA13-inspired profile
• Slightly end-loaded for added power
• Extended barrel for a larger hitting surface
• Flared knob for enhanced comfort and control
• Ideal for power hitters and gap-to-gap approaches
• Handcrafted from premium maple

Manufacturing Time is 4–6 weeks