Best Home Gym Gear
Body-Solid SDR Rubber Hex Dumbbells

Body-Solid

Body-Solid SDR Rubber Hex Dumbbells

The Body-Solid SDR Rubber Hex Dumbbells are the brand’s standard rubber-coated fixed-weight line, sold individually or in pairs from 3 to 120 lb, with extra sizes at 3, 8, and 12 lb outside the usual 5 lb increments. Each head is cast iron with a through-hole for the handle: a precision-machined chrome handle passes through and is welded in place before virgin rubber is over-molded onto the iron ends. That rubber coating resists cracking and fading under normal use while protecting floors, racks, and nearby equipment from the cast-iron core, and the six-sided hex profile keeps the dumbbells from rolling off a bench or rack. Contoured, knurled chrome handles give a shaped gripping surface, and raised numbers on the heads make each weight easy to identify at a glance. Body-Solid also sells the line in pre-assembled sets (SDRS210, SDRS550, SDRS650, SDRS900) for lifters who want a full rack’s worth in one purchase rather than buying pairs individually.

Handle Precision-machined chrome, contoured profile with knurled grip texture
Coating Virgin rubber, resists cracking and fading, protects floors and equipment
Head shape Six-sided (hex) — sits flat on the floor and resists rolling
Construction Cast-iron head with a through-hole; chrome handle welded in place, then virgin rubber over-molded onto the iron ends
Manufacturer Body-Solid
Weight range 3-120 lb per dumbbell
Weight increments 5 lb standard, plus extra sizes at 3, 8, and 12 lb (sold only as singles, not in pre-packaged sets)
Pre assembled sets SDRS210 (12 dumbbells, 210 lb total), SDRS550 (20 dumbbells, 550 lb total), SDRS650 (10 dumbbells, 650 lb total), SDRS900 (10 dumbbells, 900 lb total)

What is a Fixed Dumbbell?

What fixed dumbbells are

Fixed dumbbells are single-weight hand weights — grab and go, no adjusting. The hex shape (flat sides) keeps them from rolling and makes them stable for push-ups and renegade rows; round heads sit in racks more neatly. What lasts: a comfortable knurled steel handle, a durable rubber or urethane head coating (urethane wears best and smells less), and a tight weight tolerance. Most home gyms buy a range and a rack rather than adjustables if budget and space allow.

How it compares

Body-Solid SDR Rubber Hex Dumbbells Fixed Dumbbells Straight Stainless Steel Hex Dumbbells Lifeline Fitness Hex Rubber Dumbbells
GymRadar rating 4.17/5 4.17/5 4.11/5 4.11/5
Price
Handle Precision-machined chrome, contoured profile with knurled grip texture
Coating Virgin rubber, resists cracking and fading, protects floors and equipment
Head shape Six-sided (hex) — sits flat on the floor and resists rolling
Construction Cast-iron head with a through-hole; chrome handle welded in place, then virgin rubber over-molded onto the iron ends
Manufacturer Body-Solid Lifeline Fitness (Escalade Sports)
Weight range 3-120 lb per dumbbell 5 lb - 100 lb (5 lb increments; some retailers list up to 115-120 lb)
Weight increments 5 lb standard, plus extra sizes at 3, 8, and 12 lb (sold only as singles, not in pre-packaged sets)
Pre assembled sets SDRS210 (12 dumbbells, 210 lb total), SDRS550 (20 dumbbells, 550 lb total), SDRS650 (10 dumbbells, 650 lb total), SDRS900 (10 dumbbells, 900 lb total)

4.2/5 · 4 GymRadar reviews

Reviews by source

Expert 4.17/5 4 reviews

Body-Solid’s SDR line is the brand’s default rubber-coated hex dumbbell — a straightforward workhorse rather than a standout. Welded chrome handles under the rubber coating avoid the head-drop separation that plagues cheaper stamped dumbbells, and the hex profile keeps them from rolling off a rack or bench. Its strongest dimension is value: GymRadar owners and an independent buying guide both single it out as good money for a reliable, no-frills dumbbell. The weak spot is versatility — the hex heads eat more rack space and can’t roll flush into position the way a round-head dumbbell design can, and GymRadar reviewers describe them as fairly generic, “the same as you’ll find from a dozen other brands.”

  • +Build quality: welded chrome handles under the rubber coating prevent the head-drop separation seen on cheaper stamped dumbbells (Garage Gym Life feature via Body-Solid blog)
  • +Durability: virgin rubber over-molding resists cracking and fading under normal use while protecting floors, racks, and nearby equipment from the cast-iron heads (manufacturer)
  • +Value: GymRadar owners specifically cite it as "a great value," and singles start around $17 for the lightest weights (GymRadar; EverythingYms)
  • +Functionality: hex heads sit flat and don't roll, which keeps them stable for floor-based work like renegade rows and dumbbell push-ups (EverythingYms)
  • −Versatility: an independent buying guide notes Body-Solid's own SDP round-head line "rolls cleanly into rack position" and is more comfortable during pressing — the SDR hex shape trades that convenience for anti-roll stability (EverythingYms)
  • −Build quality: GymRadar reviewers call them "pretty generic... probably made in the same factory as the majority of others," with knurling that doesn't run the full handle length (GymRadar)
  • −Functionality: heads "get outrageously large the heavier they get," a tradeoff owners flagged directly and a common complaint of hex-style dumbbells generally (GymRadar)
  • −Durability: independent long-term coverage is thin — GymRadar's sample is only 4 reviews, so durability claims beyond the manufacturer's own materials are largely unverified

Similar Equipment