TrainingRanker
Menu

Review

BowFlex Weight Bench Series Review: 5.1S Bench Analysis

The BowFlex Weight Bench Series listing reviewed here covers the Bowflex 5.1S Stowable Bench, an adjustable strength-training bench for home-gym use. Its six listed positions, 600-pound capacity, and vertical storage design make it a versatile option for dumbbell-based routines. Reported drawbacks include occasional wobble, a seat-to-backrest gap, and moderate portability at 70 pounds.
Expert reviewed
85
Overall score
Data-driven scoring Expert reviewed Updated analysis

Why we ranked it highly

The Bowflex 5.1S Stowable Bench is a home-gym adjustable weight bench built around a heavy-duty alloy-steel frame. It provides six listed positions: decline, flat, 30°, 45°, 60°, and 90°, with a removable leg hold-down brace for decline-oriented work. The stated maximum load capacity is 600 pounds, while the bench itself weighs 70 pounds and measures 28.1 inches deep by 49.5 inches wide by 61.3 inches high. Its defining practical feature is vertical stowage: Bowflex states that the lift-and-go design can maximize available space by more than 50% when the bench is put away. Review feedback is largely favorable on assembly, adjustment, sturdiness, and home-gym usefulness. Still, prospective buyers should account for reports of a seat-to-back pad gap, occasional seat wobble, and wheels that may be less convenient on carpet.
90-day review Expert reviewed User feedback Data scoring

Key specs

Item details

Brand Name
Bowflex
Global Trade Identification Number
00708447911285
Manufacturer
Johnson Health Tech Trading
UPC
708447911285
Model Number
100675
Part Number
100675
Item Type Name
Bowflex 5.1S Stowable Bench
Included Components
Weight Bench

Additional details

Color
Black
Weight Capacity Maximum
600 Pounds

Measurements

Item Weight
70 Pounds
Item Dimensions D x W x H
28.1"D x 49.5"W x 61.3"H
Size
One Size

Materials & Care

Material
Alloy Steel
Frame Material
Alloy Steel

Scores breakdown

20 /100

Recovery support

87 /100

Performance

90 /100

Training support

92 /100

Strength training

10 /100

Cardio training

35 /100

Mobility & flexibility

5 /100

Nutrition quality

5 /100

Ingredient transparency

Strengths

  • Six stated positions: decline, flat, 30°, 45°, 60°, and 90°.
  • 600-pound stated maximum load capacity.
  • Heavy-duty alloy-steel frame construction.
  • Vertical stowage design intended to save more than 50% of space when not in use.
  • Removable leg hold-down brace supports decline-oriented exercises.
  • High buyer feedback score, supported by 4.6/5 stars across 5,126 reviews.

Limitations

  • The 70-pound bench is not especially convenient to carry or reposition frequently.
  • Some buyers report seat wobble or instability that may require checking and tightening bolts.
  • The gap between the seat and back pad can be uncomfortable for some movements.
  • Some users find certain positions less comfortable.
  • The wheels receive mixed feedback and may be less useful on carpet.
  • This is strength equipment, not a cardio, recovery, or nutrition product.

Ideal user profiles

  • Home-gym lifters who need an adjustable bench that can be stored vertically.
  • Dumbbell users seeking flat, incline, decline, and upright exercise positions.
  • Taller users who want a longer backrest; several reviews from users around 6'3" were positive.
  • Buyers prioritizing a substantial stated load capacity and steel construction.

Use cases

  • Flat dumbbell pressing and supported strength exercises.
  • Incline pressing at the listed 30°, 45°, or 60° settings.
  • Upright seated dumbbell work at the 90° setting.
  • Decline exercises using the removable leg hold-down brace.
  • Home-gym sessions where the bench is stored upright between workouts.
  • General resistance-training routines requiring frequent angle changes.

Fit and positioning

Who this works for

Category positioning

This is primarily a strength-training and home-gym equipment product rather than a cardio or recovery tool. Its role is to create stable, adjustable support for resistance exercises performed at flat, incline, decline, or upright angles. With a 92/100 strength-training score and a 94/100 adjustability score, it is positioned as a feature-rich bench for users who want more exercise variation than a fixed flat bench can provide. Vertical storage also makes it particularly relevant to multipurpose rooms and compact home gyms.

Best for

The Bowflex 5.1S is best suited to home-gym users who train with dumbbells and want multiple bench angles without dedicating permanent floor space to a bench. Its 600-pound stated capacity, alloy-steel construction, and 90/100 training-support score fit regular resistance-training routines. It may also appeal to taller users, as several detailed reviews from users around 6'3" reported adequate backrest length and comfortable support. Buyers who value quick angle changes and vertical storage are the clearest fit.

Not best for

This bench is less suitable for shoppers who need a lightweight, frequently transported bench, as it weighs 70 pounds and earns a moderate 64/100 for portability. Buyers particularly sensitive to uninterrupted pad support should also take note of repeated comments about the gap between the seat and backrest. While many reviewers found it stable, reports of seat wobble mean users who expect a completely movement-free feel should inspect assembly and hardware carefully. It is also not intended for cardio or recovery-focused training.

Training use

The bench supports a varied home strength routine by moving between decline, flat, incline, and upright positions. This permits users to change exercise setup without adding several separate benches. The removable leg hold-down brace extends its usefulness for decline-position work, while the stowable design can reduce friction for people training in shared spaces. Its 90/100 training-support score reflects this combination of angle range, storage practicality, and generally positive assembly feedback.

Performance analysis

How it performs in practice

Each scoring dimension is separated into a compact card so the strengths and tradeoffs are easier to compare without reading one long block.

Performance analysis

The Bowflex 5.1S earns an 87/100 performance score because its main function is well supported by the listed specification and buyer feedback. Six positions from decline to 90° give it broad setup flexibility, while the 600-pound stated capacity and alloy-steel frame suit a substantial home-gym bench. Reviewers commonly praise sturdiness and simple adjustment. Performance is not entirely free of compromises: some users report seat wobble, and the gap between the seat and back pad can be bothersome in certain positions or exercises.

Training support

Its 90/100 training-support score reflects strong routine versatility. Flat, incline, decline, and upright options can help a home-gym user vary bench-supported resistance work without changing equipment. The selection mechanism is described as quick and easy by reviewers, and the removable leg hold-down brace adds decline-work capability. The stowable format is also useful for training consistency in limited spaces. The key practical limitation is that the 70-pound bench is easier to store in one location than to move repeatedly around a room.

Strength training

The 92/100 strength-training score is one of this bench’s strongest results. Its stated 600-pound capacity, heavy-duty steel construction, and six angle choices provide a solid specification base for a home resistance setup. Buyer feedback frequently calls the frame sturdy and the adjustment process straightforward. The decline brace supports additional positioning options. However, reports of wobble and the seat-to-backrest gap mean users should inspect the bench, confirm bolts are tight, and choose exercises that suit its pad layout.

Ingredient transparency

Material transparency is limited, reflected in the 5/100 ingredient-transparency score. The supplied specifications clearly identify alloy steel for the bench and frame, and the listing also states “100% Other Fibers,” but it does not provide a detailed breakdown of pad upholstery, foam, coatings, or other component materials. This is not a consumable product, so ingredient disclosure is not central to its use; nevertheless, buyers seeking detailed material information may need more documentation.

How it compares

Within the adjustable weight-bench category, the Bowflex 5.1S appears especially competitive for users who prioritize angle range and storage over minimal weight. Its six positions and vertical stowage design are its clearest differentiators, reflected in 94/100 adjustability and 93/100 space efficiency scores. It also performs well for strength support, build quality, ease of use, and customer satisfaction. By contrast, it is less compelling for buyers who need a highly portable bench or a completely seamless pad surface. The 70-pound weight and mixed feedback around wheels make it better suited to a settled home-gym layout.

Ranking summary

With an overall score of 85/100, the Bowflex 5.1S Stowable Bench ranks as a strong adjustable home-gym bench rather than a flawless one. Its best results come from adjustability (94), space efficiency (93), strength-training support (92), customer satisfaction (91), and training support (90). Those scores match the supplied six-position design, 600-pound stated capacity, steel frame, and vertical-storage capability. Build quality and ease of use are also strong at 89 and 88. The score is held below top-tier territory by occasional wobble reports, the seat-to-backrest gap, limited portability at 64, and sparse material-detail disclosure.

Buying advice

Consider the Bowflex 5.1S if you want one bench to cover flat, incline, decline, and upright resistance-training setups, especially if you need to store it vertically after use. Before buying, confirm that its 70-pound weight and 28.1 by 49.5 by 61.3-inch listed dimensions fit your room and storage plan. Review the 600-pound stated capacity in relation to your intended total load, and use a level floor. Buyers who dislike gaps between seat and back pads, require frequent transport, or want a fixed flat bench may prefer a simpler design. Inspect and tighten hardware during assembly.
85
Overall score

Final verdict

The Bowflex 5.1S Stowable Bench is a strong adjustable-bench option for a home gym, earning an 85/100 overall score. Its principal strengths are the six-position setup, stated 600-pound capacity, steel construction, and highly practical vertical storage. It is particularly well suited to dumbbell users who want varied bench angles without leaving equipment permanently on the floor. Its main limitation is that real-world comfort and stability are not completely uniform: some users report a pad gap, uncomfortable positions, or seat wobble. For buyers comfortable with its 70-pound weight and careful about setup, it offers a capable, well-reviewed strength-training platform.
Back to review

Key topics

Bowflex Weight Bench Series review, Bowflex 5.1S Stowable Bench, adjustable weight bench, home gym weight bench, folding stowable workout bench, Bowflex strength training bench, incline decline bench, 600 lb capacity bench

Frequently asked questions

What angles does the Bowflex 5.1S Stowable Bench offer?
The listed adjustment options are decline, flat, 30°, 45°, 60°, and 90°. This range gives the bench a broad role in a home strength setup, allowing users to change their body position for different dumbbell and bench-based exercises. The adjustment system is described as using a selection knob.
What is the stated weight capacity of the Bowflex Weight Bench Series model reviewed here?
This Bowflex 5.1S Stowable Bench is listed with a 600-pound maximum weight capacity. Buyers should still use the bench only as intended, assemble it carefully, and periodically check hardware. One detailed review specifically recommended checking factory-installed bolts, as some were found to need tightening.
Does the Bowflex 5.1S Bench save space?
Yes. Bowflex describes a lift-and-go stowage process that offers more than 50% space maximization when the bench is not in use. Its 93/100 space-efficiency score reflects this vertical-storage design. It remains a substantial 70-pound piece of equipment, so storage convenience does not mean it is especially light to move.
Is the Bowflex 5.1S Bench easy to assemble?
Assembly feedback is generally positive. Several reviewers describe the bench as easy or not difficult to assemble, with one reviewer reporting roughly an hour while working at a relaxed pace. As with any load-bearing equipment, follow the supplied instructions and check bolts before use, particularly if the bench develops movement over time.
Is the Bowflex 5.1S Bench stable?
The stability score is 83/100, and many reviewers describe the bench as sturdy and stable. However, the feedback is not uniform: some customers report a wobbling seat. The product is not floor-bolted, and reviewers note that careful setup and hardware checks can matter. Use it on a suitable, level surface and inspect it before training.
Is the Bowflex 5.1S Bench comfortable for taller users?
There is encouraging but limited review evidence from taller users. Two detailed reviews from people around 6'3" said the backrest provided adequate head support and the dimensions felt comfortable. Fit remains individual, and some buyers report uncomfortable positions or dislike the gap between the seat and backrest.
Can this Bowflex bench be used for decline exercises?
Yes. The listed settings include decline, and the bench includes a removable leg hold-down brace. Reviews describe the attachment as functional for decline work. Comfort and positioning can vary by user and exercise, especially because some buyers mention the seat-to-backrest gap as a drawback for movements such as sit-ups.
Is the Bowflex 5.1S Bench portable?
Its portability is moderate rather than high, reflected in a 64/100 score. The bench weighs 70 pounds and has wheels, but review feedback suggests the wheels can be less practical on carpet and may require lifting the bench into position. It is better suited to being stored within a home gym than transported regularly.

Related Guides & Rankings

Marcy SB-350 Review: Adjustable Utility Bench Marcy SB-350 Review: Adjustable Utility Bench Marcy SB-10115 Adjustable Utility Bench Review Marcy SB-10115 Adjustable Utility Bench Review BORA Centipede CK9S Review: Folding Work Stand BORA Centipede CK9S Review: Folding Work Stand Marcy Olympic Workout Bench MD857 Review Marcy Olympic Workout Bench MD857 Review