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11 parts · Hydra and Manticore

Rack Components

The frame itself — uprights, crossmembers, feet, hardware. 11 parts to extend a rack you own or replace one that's worn.

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Pick your rack's hardware

Hydra and Manticore uprights, crossmembers and feet look alike in a photo and don't interchange. Choose the system first.

Already own a rack? Tell us which once. Every card then says whether it’s listed for your rack, here and on every parts page. Set my rack
Four vertical Hydra Vertical Uprights by Bells of Steel, in black metal with different heights and evenly spaced holes, stand side by side against a white background. Hydra parts 7 From $7.99 · 3"×3" tubing, ⅝" holes Four Bells of Steel Manticore Vertical Uprights in different heights stand in a row on a white background, each upright featuring evenly spaced circular holes for rack attachments along its length. Manticore parts 7 From $13.99 · 3"×3" tubing, 1" holes Not sure which you own? Measure a hole: ⅝" is Hydra, 1" is Manticore. Set it once and every card says if it fits.

The range

Every component

Two questions narrow this to a handful: which rack you own, and which part you're after.

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Before you order a part

Two things worth checking

Which rack you actually own

Measure a hole. Hydra is 3"×3" tubing with ⅝" holes; Manticore is 3"×3" with 1" holes. The two look near-identical in a photograph and their uprights, crossmembers and feet are not interchangeable — a Hydra crossmember will not bolt to a Manticore frame. Set it once in the filter above and the grid stays scoped for the rest of your visit.

Of the 20 components here, 14 are filed to one line or the other. The remaining six — casters, shelves, a converter-bench crossmember — aren't filed to either, and generally fit both. Where we can't confirm it, the card says so instead of guessing.

Extending versus replacing

Uprights are the part people buy twice. A taller pair raises the pull-up bar and the top of the rack without changing the footprint, which is the cheapest way to get more out of a rack in a room that turned out to have the height. Crossmembers and feet are usually replacement or repair — worth checking against your build before ordering, because the same rack ships in more than one depth.

How do I tell a Hydra from a Manticore?

Measure a hole. Both use 3"×3" tubing; Hydra has ⅝" holes and Manticore has 1". The filter shows a close-up of each, cropped from the real uprights — it's usually quicker to compare the picture than to find a receipt.

Can I make my rack taller?

Usually, yes — that's what the vertical uprights are for. Check your ceiling first: leave 6–8" of clear air above the pull-up bar. The buying guide has the measurement.

Why does one say "not filed to a line"?

A few of these aren't listed under either the Hydra or the Manticore collection — mostly casters and shelves, which tend to fit both. We'd rather say we haven't confirmed it than assert a fit we can't back. Call 1-888-718-7997 and we'll check it against your rack.

What's the difference between a component and an attachment?

A component is part of the frame: uprights, crossmembers, feet. An attachment adds a capability — a lat tower, dip bars, storage. You buy a component to extend or repair what you have, an attachment to do something new.

Bells of Steel produces feature-rich, warranty-backed power racks that will last a lifetime in your home or commercial gym. We design our racks in-house and fine-tune them on your feedback — so you get the highest quality-to-price ratio possible.

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