PowerBlock Pro 50
Non-expandable 5–50 lb22.7 kg selector-pin pair in a 13 × 7 × 7.25 in18.4 cm frame, with 2.5 and 5 lb2.3 kg increments and a 5-year residential warranty.
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PowerBlock 50 versus the lighter Sport
Non-expandable 5–50 lb22.7 kg selector-pin pair in a 13 × 7 × 7.25 in18.4 cm frame, with 2.5 and 5 lb2.3 kg increments and a 5-year residential warranty.
on Amazon. As an Amazon Associate I earn from qualifying purchases.
Non-expandable 3–24 lb10.9 kg selector-pin pair in a 10 × 5.5 × 5.5 in14 cm frame, with 3 lb1.4 kg increments and a 5-year residential warranty.
| Spec | PowerBlock Pro 50 Check price on Amazonon Amazon on Amazon. As an Amazon Associate I earn from qualifying purchases. | PowerBlock Sport 24 |
|---|---|---|
| Height | 7.25 in18.4 cm | ✓ 5.5 in14 cm |
| Width | 7 in17.8 cm | ✓ 5.5 in14 cm |
| Length | 13 in33 cm | ✓ 10 in25.4 cm |
| Min weight | ✓ 5 lb2.3 kg | 3 lb1.4 kg |
| Max weight | ✓ 50 lb22.7 kg | 24 lb10.9 kg |
| Increment | ✓ 2.5 lb1.1 kg | 3 lb1.4 kg |
| Adjustment | magnetic selector pin | magnetic selector pin |
| Warranty | 5 year limited warranty – residential use only | 5 year limited warranty – residential use only |
PowerBlock Pro 50 versus PowerBlock Sport 24 is a spec comparison, not a test. PowerBlock 50 versus the lighter Sport. Every number below is copied from a manufacturer page or official sheet and carries an as-of date of 2026-10-14 on the product records. If a field is blank on the maker’s page, it stays blank here.
PowerBlock describes the PowerBlock Pro 50 as: Non-expandable 5–50 lb selector-pin pair in a 13 × 7 × 7.25 in frame, with 2.5 and 5 lb increments and a 5-year residential warranty. PowerBlock publishes a 5–50 lb range with selectable weights in 2.5 lb steps from 5 through 50 lb. Dimensions are 13 × 7 × 7.25 in, finish is black urethane, grip is 4.88 in / 38 mm contoured TPR, and adjustment is a magnetic selector pin. The pair is listed on the manufacturer page with a 5-year limited residential warranty and is compatible with Pro Series bar and kettlebell attachments.
PowerBlock describes the PowerBlock Sport 24 as: Non-expandable 3–24 lb selector-pin pair in a 10 × 5.5 × 5.5 in frame, with 3 lb increments and a 5-year residential warranty. PowerBlock lists selectable weights of 3, 6, 9, 12, 15, 18, 21, and 24 lb. Dimensions are 10 × 5.5 × 5.5 in with a 4.88 in / 32 mm contoured TPR grip and magnetic selector pin. The pair is listed on the manufacturer page with a 5-year limited residential warranty and is sold in gray, light blue, and lavender.
On listed height, PowerBlock Pro 50 is 7.25 in and PowerBlock Sport 24 is 5.5 in. Width is 7 in versus 5.5 in. Depth / length is not published in versus not published in (falling back to a listed length where a maker omits depth). Unit weight is not published lb versus not published lb. Listed load or user capacity is not published lb versus not published lb.
Published range is 5–50 lb versus 3–24 lb. Increment is 2.5 lb versus 3 lb. Mechanism is magnetic selector pin versus magnetic selector pin. Listed length is 13 in versus 10 in. A 2.5 lb step at the bottom of a dial pair is not the same as a uniform 5 lb twist handle. Warranty text is “5 year limited warranty – residential use only” versus “5 year limited warranty – residential use only”.
FitScout spec scores — our weighted rubric, not Amazon stars — are 63 for PowerBlock Pro 50 and 49 for PowerBlock Sport 24. Missing fields do not count as zeros; they drop out of the average. The rubric for adjustable dumbbells is published on the methodology page.
We do not print manufacturer list prices or Amazon prices on this page. Use Check price on each card for the current offer.
Who the PowerBlock Pro 50 is for, in our reading of the spec sheet: Lifters who want PowerBlock's published 5–50 lb non-expandable Pro set with 2.5 lb micro weights included in the handles. Skip it when expects to exceed 50 lb per hand; PowerBlock states the Pro 50 cannot expand.
Who the PowerBlock Sport 24 is for: Users who want PowerBlock's lightest published set for high-rep or rehab work at 3–24 lb per hand. Skip it when needs more than 24 lb per hand; PowerBlock states Sport 24 cannot expand and has no micro weights.
If ceiling height is the constraint, prefer the shorter published frame and then run Will-It-Fit with your ceiling, your height, and the exercise. HAJEX’s standing-press rule of thumb is height × 1.33 plus about 9 in for full-size plates. A rack that “fits the room” on assembled height can still fail a pull-up if there is not about a foot above the bar.
This page does not say either product was used, assembled, or worn-in by FitScout. Sources are the manufacturer URLs on each spec row. If a maker updates a dimension after 2026-10-14, the as-of date is the tell.
655 words. Spec-based analysis, not a test report.