What is PBCoR .43?
The USA Pickleball paddle power standard, what it measures, why it exists, and why it matters if you ever compete.
If you've shopped for a paddle lately you've seen "USAP / PBCoR .43 Approved" stamped on the box. It's the current power standard from USA Pickleball, and it's quietly the most important spec for anyone who plans to compete. Here's what it actually means.
PBCoR, in one sentence
PBCoR stands for Paddle-Ball Coefficient of Restitution. It measures how much energy a paddle gives back to the ball on impact, essentially, how "springy" or powerful the paddle is. A higher number means more power coming off the face.
Why USA Pickleball introduced it
Paddle tech moved fast. Thermoformed bodies and foam-filled cores made paddles noticeably more powerful, and the sport's older deflection test didn't fully capture that "trampoline" effect. To keep rallies fair, and safe, since faster balls mean less reaction time at the net, USA Pickleball added a coefficient-of-restitution test and set a maximum allowed value.
So what does ".43" mean?
It's the ceiling. To be approved under the standard, a paddle must test at or below the 0.43 PBCoR limit. Paddles that pass are added to the official USA Pickleball approved equipment list and may carry the approval seal. Think of it like a legal-limit stamp: at or under the line, you're good to compete.
Does your paddle need to be approved?
- Sanctioned tournaments, yes. Referees can and do check that your paddle is on the approved list.
- Casual & most club play, not required. But buying an approved paddle now means you won't have to re-buy when you decide to enter your first bracket.
To verify any paddle, search the USA Pickleball approved equipment list for the exact model and check for the PBCoR seal.
Where the Medusa stands
The Mythos Medusa is USA Pickleball / PBCoR .43 approved, so it's tournament-legal out of the box. You get a striking carbon face and real power within the standard, which means zero doubt when you step onto a sanctioned court.