Proton Series Four (Project Roadrunner) vs Selkirk SLK Halo XL Control

The verdict

Measured on the same 15-trait test, the clearest separation is spin: Proton Series Four (Project Roadrunner) scores 95 against 89 for Selkirk SLK Halo XL Control — a 6-point gap. They are effectively level on forgiveness, consistency, swing weight, so those traits should not decide the purchase. Selkirk SLK Halo XL Control is $75 cheaper at $100.

• Spin

  Proton Series Four (Project Roadrunner) leads by 6 points (95 vs 89).

• Maneuverability

  Proton Series Four (Project Roadrunner) leads by 6 points (84 vs 78).

• Power

  Proton Series Four (Project Roadrunner) leads by 5 points (85 vs 80).

• Pop

  Proton Series Four (Project Roadrunner) leads by 4 points (82 vs 78).

Which one should you buy?

Proton Series Four (Project Roadrunner) vs Selkirk SLK Halo XL Control FAQ

Which is better, the Proton Series Four (Project Roadrunner) or the Selkirk SLK Halo XL Control?

Proton Series Four (Project Roadrunner) carries the higher overall Paddle IQ score (85.6 vs 83.8), but IQ is a weighted average. On the trait that separates them most — spin — Proton Series Four (Project Roadrunner) leads by 6 points.

Which one is faster at the kitchen line?

Proton Series Four (Project Roadrunner), at 110 kg·cm² swing weight against 112 for Selkirk SLK Halo XL Control. Lower swing weight is the single best predictor of hand speed in fast exchanges.

Which paddle has more power, the Proton Series Four (Project Roadrunner) or the Selkirk SLK Halo XL Control?

Proton Series Four (Project Roadrunner) measures 85 on power against 80 for Selkirk SLK Halo XL Control. That comes from a 15 mm Nomex and polypropylene hybrid honeycomb core swinging at 110 kg·cm² — mass behind the ball, not face material.

Which one gives more control and touch?

Proton Series Four (Project Roadrunner) at 88 versus 88. Its 15 mm core holds the ball on the face slightly longer, which is what makes resets and dinks land shorter.

Which paddle spins the ball more?

Proton Series Four (Project Roadrunner) scores 95 for spin off its Aerospace bi-directional carbon with exposed aramid weave face, against 89 for the Raw T700 carbon fiber face on Selkirk SLK Halo XL Control. In practice a 6-point gap is noticeable on third-shot drives.

Which is more forgiving on off-center hits?

Proton Series Four (Project Roadrunner), with 6.3 twist weight against 6.2. Higher twist weight means the face rotates less when you miss the middle, and Selkirk SLK Halo XL Control carries the higher forgiveness score (84) as a result.

Is the price difference worth it?

Selkirk SLK Halo XL Control costs $100, $75 less. Whether that gap is worth closing depends on whether you actually use the traits it trades away — check the head-to-head DNA bars above before paying up.

Do they use the same core and face?

Proton Series Four (Project Roadrunner): 15 mm Nomex and polypropylene hybrid honeycomb core with a Aerospace bi-directional carbon with exposed aramid weave face. Selkirk SLK Halo XL Control: 16 mm Rev-Core polymer honeycomb core with a Raw T700 carbon fiber face.

Which is better for a two-handed backhand?

Selkirk SLK Halo XL Control, at 5.75 in of handle against 5.375 in. Anything under 5.25 in forces you to choke the bottom hand onto the face bevel, which Selkirk SLK Halo XL Control avoids.

Which one is better for beginners?

Selkirk SLK Halo XL Control is the safer first paddle here: forgiveness 84 and sweet spot 85 mean fewer mishits while your contact point is still inconsistent. Proton Series Four (Project Roadrunner) rewards a repeatable swing and can feel unstable before that.

Which is lighter in the hand?

Proton Series Four (Project Roadrunner) at 7.9 oz against 8 oz. Static weight matters for arm fatigue and elbow comfort; swing weight (110 vs 112) is what you feel mid-rally.

Is it worth upgrading from the Selkirk SLK Halo XL Control to the Proton Series Four (Project Roadrunner)?

Only if you need what it actually adds. Proton Series Four (Project Roadrunner) leads on spin by 6 points; everything else is within 6 points. At $175 vs $100, the money is better spent elsewhere unless that one trait is your weak spot.

Also worth comparing

Head-to-heads that share DNA with this matchup — useful if you're still deciding between shapes, cores or price tiers.

• Series Four (Project Roadrunner) vs V-Sol Pro 16
• Series Four (Project Roadrunner) vs V7 Hybrid
• Series Four (Project Roadrunner) vs Ruby

• SLK Halo XL Control vs V7 Hybrid
• SLK Halo XL Control vs V-Sol Pro 16
• SLK Halo XL Control vs Ruby

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Read the full reviews: Proton Series Four (Project Roadrunner) and Selkirk SLK Halo XL Control. Or build a different comparison, browse the full database or find paddles within 5% of your current one.