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Auto-lock · 50 mm Olympic
Kensui Auto-Lock Olympic Barbell Collar — quick-release lock mechanism
Auto-lock collar — alternate angle
Auto-lock collar — slide design
Auto-lock collar — slide on bar
Auto-lock collar — front view
1 / 5
Lock in every rep · 50 mm Olympic

Auto‑Lock Barbell Collar

Slide on. Auto‑lock engages. Plates don’t move — not a millimeter. Engineered for lifters who need speed, security, and zero compromises: clamp down between sets in one motion, release just as fast, train without re-adjusting your bar.

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Auto-lock
engagement
Quick
release
Anti-slip
lining
2″ (50mm)
Olympic
$25.00 USD Sold as a pair or 4 payments of $6.25 with Shop Pay

Slide on. Lock down. One motion

Slide on
Auto-lock engages on contact — no twist, no thread, no fumble.
Lock down
Anti-slip rubber lining grips sleeves — plates don’t budge.
Sleeve
2″ OLY
Pair Weight
~350 G
Material
REINF. NYLON
In stock — ships in 24 hours. Delivery in 3–5 business days
Sold out — restocking soon. Enter your email below and we’ll ping you the moment it’s back.

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  • 100‑day risk‑free trial
  • Free shipping $100+
  • Trusted by 200,000+
Kensui Promise
100 Days
Money Back No questions asked

The Kensui promise

Your success
is guaranteed.

We want you to reach your fitness goals, enjoy your life, and feel healthy. The last thing we want is to create more stress — so if you decide this isn’t for you, we’ll give you a no-hassle, no-questions-asked 100% refund.

  • 100‑day risk-free trial
  • Full refund if not satisfied
  • No questions asked
  • Warranty included

Trusted worldwide

200,000+

Athletes worldwide

John D.
CrossFit
Sarah M.
Calisthenics
Eric B.
Powerlifting
Luke K.
Yoga
Tom B.
Powerlifting
Elias S.
MMA
Alex P.
Calisthenics
Nina L.
Swimming
200K+
Happy Athletes
4.9★
Average Rating
50+
Countries
99%
Satisfaction
Kensui Promise
100 Days
Money Back No questions asked

The Kensui promise

Your success
is guaranteed.

We want you to reach your fitness goals, enjoy your life, and feel healthy. The last thing we want is to create more stress — so if you decide this isn’t for you, we’ll give you a no-hassle, no-questions-asked 100% refund.

  • 100‑day risk-free trial
  • Full refund if not satisfied
  • No questions asked
  • Warranty included

Trusted worldwide

200,000+

Athletes worldwide

John D.
CrossFit
Sarah M.
Calisthenics
Eric B.
Powerlifting
Luke K.
Yoga
Tom B.
Powerlifting
Elias S.
MMA
Alex P.
Calisthenics
Nina L.
Swimming
200K+
Happy Athletes
4.9★
Average Rating
50+
Countries
99%
Satisfaction