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Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
Gymreapers Bicep Arm Blaster is a heavy-duty aluminum curl isolator that locks your elbows into place so you can target biceps with safer, cleaner form.
Built from contoured aluminum with wrapped rubber edges, an adjustable nylon strap, and a thick neck pad, this Arm Blaster helps lifters maintain elbow position and limit body sway during curls. It’s designed for barbell and dumbbell curling variations and aims to improve muscle isolation and repetition quality without adding bulky mechanics to your routine. The black finish and subtle Gymreapers skull branding give it a performance-led, gym-ready look.
The device holds your elbows tight to your sides so you can’t use shoulder momentum or swing to complete reps. Keeping the upper arm fixed forces the biceps to do the work, making each repetition more efficient and consistent. That makes it easier to feel the muscle working and track progress in strength and size.
This isolator works with most arm-focused movements where elbow placement matters. Use it for barbell curls, single-arm dumbbell curls, hammer curls, preacher-style standing curls, and other standing curl variations to emphasize the biceps. It’s compact enough to transition between sets and different curl types quickly.
Gymreapers built this blaster from thick, contoured aluminum for strength and longevity, then added practical comfort features so it can be used for high-volume training. The metal edges are wrapped in soft rubber to prevent abrasion, and the nylon strap includes a sturdy, user-friendly buckle. A generous neck pad protects against pressure from heavier sets and keeps the strap from digging into skin.
Yes—the blaster’s strap and buckle allow quick height adjustments so you can set the fit for different torso shapes or switch users. Its simple one-piece design means you can put it on or remove it in seconds between sets. Because it’s lightweight and compact, it fits easily in a gym bag and won’t take up much space in a home gym.
Who is this for?
This Gymreapers Arm Blaster is made for lifters who want stricter curl technique and better biceps isolation—bodybuilders, strength trainees, and anyone fixing bad curling habits. It suits beginners learning optimal elbow mechanics as well as experienced athletes looking to intensify arm work without introducing machines. If your goal is to feel each rep in the biceps and reduce shoulder or upper-arm compensation, this is a practical training tool to add to heavy curl sessions, superset routines, or focused arm-building phases.
Q: Will the Arm Blaster fit my body?
A: Yes. The adjustable nylon strap and buckle fit most torso sizes and allow quick height changes for proper elbow placement.
Q: Can I use it for both dumbbell and barbell curls?
A: Absolutely. It’s designed for barbell, single-arm dumbbell, hammer, and standing preacher-style curl variations.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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