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True, calf raise platforms aren't complicated... DIYing takes a few bucks and about an hour (if that). That said, the design matters. Some can increase calf activation and offer a much better lifting experience than others.
After trying 2x4s, 45 lb plates, square-style blocks, wedges & ramps, they all had issues; mostly limited range of motion and foot slippage during the stretch. We decided to DIY our own block using 2 pieces of wood, a 4" PVC pipe, and grip tape. The round design felt a lot better... until the PVC cracked during a heavy set. So we drew up what is now our Calf Curve®, tested and refined the prototype, drove Mike's GMC truck over it a few times to confirm it wouldn't fail, filed the patent, and are now proud to release it!
✅ The 4.5" height will allow your calves to stretch into deep deficit for full range of motion calf raises.
✅ The 3.8" diameter curved design supports your foot arches while your calves are in a deficit stretch, preventing slippage.
✅ The grip wrapped around it will keep your feet in their starting position throughout each set.
✅ The curve also allow your toes 'point downward' at the top of each rep for maximum calf flexion.
✅ The 24" length will support various foot stances your calf programming requires.
✅ Has cutouts for easy pick up.
🔥 Attractive design with black matte powder coating
✅ 12 lbs of 3/16" plate steel
✅ Small storage footprint (24"L x 7"W x 4.5"H)
✅ 2000+ lbs capacity (see truck photo)
✅ Patent pending design
🦅 Made top-to-bottom in Texas, USA
Apologies in advance when your previous calf block collects dust after you experience the difference. 😉
** If your floor is concrete, wood or vinyl, etc, we highly recommend anti-slip foot pads (Gorilla pads, etc.) before using the Calf Curve®. Please contact us with any questions.
Orders may take 48-72 hours to be fulfilled
This is by far the best calf raise block I have ever owned, and I have owned several. The height and curve allow for a good stretch, and provide a superior experience to a flat surface. Oh, and the build is extremely solid. Well done, U4C.
Finally someone got it right. I have been training for over forty years and none of the manufacturers of calf training machines ever cared to address the problem of slipping from the calf block. The area that contacts the feet cannot have a 90 degree edge. One always has to reset the feet in the middle of a set. The diameter of the Calf Curve is perfect. No more resetting the feet. In addition, the build quality is excellent!
Really appreciate you sharing, Kevin, and couldn't agree more. Had to pin your review because it's just dead on. I've come across the rare commercial machine (can't recall the brand) with a slightly curved step, and it always felt better than the square style. but still had to readjust feet mid set. Diameter matters. Happy to hear you're enjoying the Curve as much as we do. Have a happy new year!
This accessory perfects what all other calf blocks get wrong, and that's maximum contact with your feet. Rectangular calf blocks force you to be on just the corner in the most crucial part of the movement, which is that deep stretch. The Calf Curve provides enough surface area through the entire range of the exercise. This allows you to get that deep stretch, AND power through the movement without fear of slipping, or having to readjust midway through your set. Don't be afraid to purchase this. I saw that they were out of stock so I emailed them to see when they were going to have more ready and they got back to me right away with a date. All fitness enthusiast need to know about this!
So appreciate your feedback, Alex. I couldn't have explained it better. Considering all foot sizes out there, we had to design a Goldilox-diameter to achieve exactly that, the most contact possible. Too little causes discomfort under heavy loads, too much causes slippage. One thing we've been trying lately (due to the sticking power of the curve) is pausing during plantarflexion (toes pointed downward at the top of the rep). Even with straight leg raises, it lights the soleus on fire, and still no slippage under 495 lbs. Highly recommended! Thanks again 💪
I first saw the Calf Curve on the Hybrid Resistance channel. Since I'm always looking for better ways to stretch and work my calves I ordered one.
Shipping was fast, and the packaging was excellent.
It's has a super aggressive non slip covering. Which is good as you can get some very low angles with it. A less aggressive covering would let you sip, no chance of that with the Calf Curve. You are on as stable a platform as you could want.
During the exercise-Fast or slow- there is no shifting of the Calf Curve or slippage with your feet.
At first use, the Curve feels strange. But once you get used to it, you find a range of motion like nothing else.
Seriously, if you want to work on your calfs, this is the tool.
Amazing review, Jimi, really appreciate you taking the time! Also, you won't slip at the top of the rep either, the grip and curve allows extreme plantarflexion (pointing the toes down) pausing, which fires the soleus even during straight leg calf raises. If you haven't tried this already we highly recommend it. Thanks again!
So happy I randomly found this on a YouTube channel. Once I got delivered I tried it out right away, and I love it. Great addition to my home gym. Small footprint and gets the job done. Love the stretch I get too. Just doing body weight alone with 20 reps gets the burn going. Solid quality build too. Highly recommend.
Well built and high quality!
I bought this after seeing the review on hybrid fitness. Mike said it was a good calf raise and I agree. It’s super sturdy and well built. Using it with my belt squat I feel like I have a calf raise machine for 100 bucks. Definitely worth it.
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