Reverse Hammer
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Reverse Hammer 2.0 – 2 in 1 GHD and Reverse Back Extension


The Reverse Hammer is two essential products for your home gym combined into one, at a fraction of the cost (and space) of when you buy those separately. The fusion of the Reverse Back Extension machine and Glute Ham Developer (GHD) is a Bells of Steel original design and was engineered in-house. 

“Solid build quality. Completely stable for stronger lifters. Tremendous adjustability. Probably the best product value on the site.” – George K.


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Reverse Hammer 2.0
This item: Reverse Hammer 2.0 - 2 in 1 GHD and Reverse Back Extension

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1 × Axle Collar Zip Clips

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1 × Double D Handle

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1 × Single D Rubber Handle

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B.o.S. Reverse Hammer – Glute Ham Developer & Reverse Back Extension Combo Machine.

The Reverse Hammer is two essential products for your home gym combined into one, at a fraction of the cost (and space) of when you buy those separately. The fusion of the Reverse Back Extension machine and Glute Ham Developer (GHD) is a Bells of Steel original design and was engineered in house.

It is an all-in-one machine that enables athletes to perform any of the movements associated with either machine – glute ham raises, GHD sit-ups, back extensions, and reverse back extensions – with the same piece of equipment. It even includes our best selling belt squat belt to use as the strap.

The B.o.S. Reverse Hammer is easy to set up, simple to adjust, and it saves you a ton of precious floor space by combining two typically huge machines into one. No other single piece of equipment will strengthen and develop your posterior chain like the Reverse Hammer Reverse Back Extension / Glute Ham Developer!

The Bells of Steel Reverse Hammer isn’t the only combination Reverse Back Extension and Glute Ham Developer on the market, but it is the best. It is also one of the most affordable!

Vertically adjustable footplate/foot roller carriage to accommodate users of any height. Diamond-plate platforms for stepping up into the GHD, a removable crotch pad, so the fellas don’t damage the goods, and so much more.

The 2.0 version also includes 2 band pegs for resistance band work, side handles for getting in and out easier, and extra padding over the curved part of the pad for more comfortable reverse back extensions. The footplate has also been made straight up and down instead of on an angle as per the feedback from customers on our 1.0 version.

Benefits of the Glute Ham Developer (GHD)

The GHD is a versatile piece of strength equipment, and an essential tool for developing strength, power, and speed in the posterior chain. While the GHD is useful for a multitude of different movements that strengthen the core and posterior chain, like back extensions and GHD sit-ups, it is most commonly used for the Glute Ham Raise (GHR).

The Glute Ham Raise is an incredibly useful exercise for isolating the hamstrings and the glutes, increasing hypertrophy to these two essential muscle groups. The Glute Ham Raise is also believed to be superior to the leg curl because it works more muscles and puts a greater emphasis on the eccentric component of knee flexion. Increased time under tension, a more complete range of motion, and the ability to add resistance with bands or weight plates make for a very targeted approach to hamstring and glute development that will carry over to your heavy squats, deadlifts, and your explosiveness on the playing field.

It’s not just the hamstrings and glutes that benefit from the GHD and the GHR. The entire posterior chain benefits, including the spinal erectors. This not only improves strength and power in other major lifts and in sports but also helps one to resist injury as well.

Simply put, the GHD is the perfect tool for developing strength and power in the posterior chain, for improving performance on the playing field and in the gym, and for eliminating the risk of stress and injury to the lower back. The GHD can also be safely used by those with pre-existing low back issues who cannot use traditional, deadlift-style exercises to train their posterior chain.


Strong Steel Tubing2×3″
Heavy-gauge SteelYes
Anchor HolesYes
Weight storage pegsYes

Benefits of the Reverse Back Extension

The Reverse Back Extension is used for one critical accessory exercise; the Reverse Back Extension. The Reverse Back Extension is an excellent movement for the lower back, glutes, and hamstrings because it allows one to train the whole of the posterior chain in a way that is very similar to the deadlift, but without actually loading up the spine. This makes the Reverse Back Extension the perfect movement for athletes with a pre-existing low back issue or those who want to give their lower back a break without missing a training session.

Even for those who do not have an existing injury, the Reverse Back Extension can be an invaluable tool for developing strength, power, and explosiveness in the hamstrings and lower back. The Reverse Back Extension also improves hip extension, which will translate to better performance on the playing field and in the squat, deadlift, snatch, and clean and jerk.

The B.o.S. Reverse Hammer is exceptionally well made for these reasons:

  • High-density foam pads with a durable vinyl casing
  • Quality bearings for a smooth swing
  • Includes high-quality hyper strap that doubles as a belt squat belt
  • Lifetime Warranty on welds and frame*
  • Upholstery, Wheels Grips 90 Day Warranty

The Best of Both Worlds

The Reverse Hammer offers you the best of both worlds when it comes to training and protecting the health of your posterior chain. In one single piece of equipment no bigger than either a standalone Reverse Back Extension or a standalone Glute Ham Developer, you get access to both, and you get both for about the cost of just one of them. If ever there was a machine worth making room for in your gym, it’s the Reverse Hammer GHD/RReverse Back Extension Machine.


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Joe H.
United States United States

Couldn't be happier

I have previously owned both a GHR and then a reverse hyper for my garage gym, and though I loved them and used them both, they both ultimately got the boot because they took up too much space and were not very versatile. They both also ended up being things I wished I hadn't sold. Enter the Reverse Hammer. I've had this for about 3 months now and couldn't be happier. It doesn't do reverse hypers or GHR's quite as well as dedicated machines would, but in my estimated it's 90% there, which is a total win. I was always suspect of the Titan GHR/RH combo because it just didn't look up to the task, and the Rogue Donkey is just out of the price range. But this one hit the sweet spot: hefty enough that I don't have any reservations getting my 6'4, 245 lb body on this and doing heavy reverse hypers, but at a more reasonable price point. I do have a few critiques, but none of them are big enough issues to give me pause about this piece: 1) Bumper plates barely fit in the opening to load on the pendulum arm. And if you're using exclusively bumpers, you won't get much more than 2 plates per side. But you could comfortably get 4 metal plates per side. 2) For the removable center pad, I ended up fixing it up with velcro instead of using the bolts so that I didn't need to use an Allen wrench each time I removed/replaced it. 3) I'm 6'4 and if I point my toes while doing reverse hypers I can hit the ground. That being said, I am happy enough with this machine to come back three months after the fact and type a review. If you're on the fence, go for it. You won't regret it.

  • My Fitness Goal Is: strength and powerlifting

Bells of Steel

Hi Joe. Thank you so much for your in depth review of our GHD/Reverse hyper machine. We are stoked to hear you have loved this piece and even recommend it to other gym owners! We also looked over your notes and want to thank you for the feedback as this allows us to make tweaks and adjustments to any future iteration of this machine. Thank you again for your review and we wish you the best ! Sincerely, Marcus & the BoS team

Canada Canada

Most underrated piece of equipment

Very sturdy even for a fatty must say had to put me a roap to help me get up from times to times but otherwise minty. Help my back pain and hip mobility


Bells of Steel

Hi Aj, Thank you so much for taking the time to review our reverse hammer 2.0. We are so glad you have enjoyed your new equipment and we wish you the best! Sincerely, Marcus & the BoS team