BarbellWatchAlex Leonidas Onyx Bar vs Double Black Diamond™ Power Bar
Two Olympic barbells at a similar price, compared side by side with today's prices, stock and price history from our daily tracking.
Quick answer: Double Black Diamond™ Power Bar (REP Fitness) is cheaper today at $279.99, $27.98 (9%) less than Alex Leonidas Onyx Bar (Bells of Steel) at $307.97. Stock: Bells of Steel is in stock and on sale, 20% off its listed $383.99; REP Fitness is in stock and on sale, 30% off its listed $399.99. We compare prices and stock only; we haven't tested either.
Last updated from the stores' own prices.
Side by side
| Alex Leonidas Onyx Bar | Double Black Diamond™ Power Bar | |
|---|---|---|
| Brand / store | Bells of Steel | REP Fitness |
| Price today | $307.97 | $279.99 |
| Listed regular price | $383.99 | $399.99 |
| Discount | 20% off | 30% off |
| Stock | In stock | In stock |
| Lowest price we've recorded | $307.97 | $279.99 |
| Options tracked | 1 (single option) | 6: Black Cerakote / Duracoat®, Blue Cerakote / Duracoat®, Green Cerakote / Duracoat®, Red Cerakote / Duracoat®, +2 more |
| Category | Barbells | Barbells |
| Tracking since | Oct 18, 2026 | Oct 18, 2026 |
Only data we track is shown (prices, stock, options). Check each store's page for full specs. Shipping and tax not included.
Alex Leonidas Onyx Bar
Check price at Bells of Steel →Search for it on Amazon →Paid link: as an Amazon Associate we earn from qualifying purchases. Amazon prices may differ from ours.
Price history
Lowest listed price per day. Lowest seen: $307.97 since Oct 18, 2026.
Double Black Diamond™ Power Bar
Check price at REP Fitness →Search for it on Amazon →Paid link: as an Amazon Associate we earn from qualifying purchases. Amazon prices may differ from ours.
Price history
Lowest listed price per day. Lowest seen: $279.99 since Oct 18, 2026.
Store and Amazon links may be paid links. as an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
Which is cheaper, Alex Leonidas Onyx Bar or Double Black Diamond™ Power Bar?
As of Oct 21, 2026, Double Black Diamond™ Power Bar at REP Fitness is $27.98 (9%) cheaper: $279.99 versus $307.97.
Are both in stock right now?
Alex Leonidas Onyx Bar: in stock. Double Black Diamond™ Power Bar: in stock. Stock is checked once a day from each store's own catalog.
Is either one on sale?
Alex Leonidas Onyx Bar is on sale, 20% off its listed $383.99. Double Black Diamond™ Power Bar is on sale, 30% off its listed $399.99. Percent off is the store's sale price versus its own listed regular price.
Is this the lowest price ever?
We can't say yet. BarbellWatch started tracking on Oct 18, 2026. The lowest prices we've recorded so far are $307.97 for Alex Leonidas Onyx Bar and $279.99 for Double Black Diamond™ Power Bar.