BowFlex 100790 Review: Space-Efficient Home Strength Training
The BowFlex 100790 SelectTech 840 Adjustable Kettlebell consolidates six weights into one compact unit, offering versatile full-body workouts ideal for home gyms with limited space.
By Elvis Dicki
Updated October 20, 2026
The BowFlex 100790, also known as the SelectTech 840 Adjustable Kettlebell, is a single piece of strength training equipment designed to replace multiple individual kettlebells. It is aimed at home fitness enthusiasts who want a versatile, full-body workout tool without dedicating a large amount of space to a collection of weights. By using a dial-based adjustment system, this kettlebell provides six different weight settings in one compact design, making it a practical solution for efficient home workouts.
This review analyzes the BowFlex 100790’s specifications, design, and performance based on manufacturer data and owner feedback. The bottom line is that this adjustable kettlebell excels in space efficiency and workout versatility for users progressing from beginner to intermediate levels, though its maximum weight and specific design may present limitations for advanced strength athletes.
BowFlex SelectTech 840 Adjustable Kettlebell
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BowFlex 100790 at a Glance
| Specification | Detail |
|---|---|
| Model Number | 100790 |
| Adjustable Weight Range | 8 to 40 lbs |
| Specific Weight Settings | 8, 12, 20, 25, 35, 40 lbs |
| Material | Composite |
| Handle Material | Plastic |
| Handle Diameter | 28 millimeters |
| Dimensions (L x W x H) | 8.8″ x 7″ x 12.5″ |
| Item Weight | 40 pounds |
| Warranty | 2 Years |
| Special Features | Adjustable Weight, Ergonomic, JRNY App Compatible |
Design and Build
The BowFlex 100790 features a composite body and a plastic handle, engineered into a compact, space-saving form. Its primary design innovation is the integrated dial system that allows users to select from six predefined weight settings. This mechanism is intended to facilitate rapid weight changes between exercises, maintaining workout flow. The unit’s dimensions are notably compact for the weight range it offers, designed to fit easily into a home environment without the bulk of multiple traditional kettlebells.
The handle is designed with an ergonomic shape, providing room for one or two-handed exercises. The construction is reported by the manufacturer to be durable for repeated high-rep use. The overall aesthetic is functional and modern, aligning with BowFlex’s other SelectTech adjustable equipment. For more insights on optimizing your home setup, explore our guide on the best ergonomic furniture for long-term comfort.
Performance and Features
Adjustment Mechanism and Weight Range
The core performance feature is the turn-of-a-dial weight selection. Users can adjust between 8, 12, 20, 25, 35, and 40 pounds. This range is designed to support a progression from beginner to intermediate workout routines, enabling exercises like swings, rows, squats, and presses. The dial system aims to make transitions between weights and exercises quick, which is a key advantage for circuit training or high-intensity interval workouts where minimizing rest time is beneficial.
Space Efficiency and Versatility
This single unit replaces up to six separate kettlebells, which is its most significant space-saving benefit. The compact footprint ensures a quality workout can be performed in nearly any room. The wide weight range supports a variety of full-body movements, combining strength and cardio elements in single sessions to boost overall conditioning. This versatility makes it suitable for users seeking a comprehensive tool for muscle building and fat loss without a rack of equipment.
JRNY App Integration
The product pairs with the JRNY mobile-only membership, which offers a two-month free trial. This app provides adaptive guided workouts, inspiring trainers, and motion tracking, ideal for strength training at home or on the go from a phone or tablet. It adds a layer of structured programming and variety to the user’s routine. However, advanced app features require an ongoing subscription after the trial period concludes.
Setup, Support and Ownership
Setup is straightforward, involving unboxing the single unit. There are no assembly steps for the kettlebell itself, though users may need to set up the accompanying JRNY app account to access the guided workouts. The manufacturer provides a two-year warranty on the product. Support and spare part availability details beyond the warranty period are not extensively listed in the provided data, though a general EU spare part availability duration is noted as five years.
Ownership primarily involves the physical use of the kettlebell and potential engagement with the digital JRNY platform. The product is a standalone piece with no listed mandatory accessories or upgrades, though some owners purchase a second unit for balanced workouts. The durable construction is designed for reliable performance through repeated use. For those building a comprehensive home environment, consider the tech discussed in our tech gear section.
What Owners Say
Owner feedback is overwhelmingly positive, with a high average rating. Reviews frequently praise the space-saving design, sturdy construction, and the convenience of the quick-adjust dial. Many users highlight its effectiveness for full-body workouts, noting improvements in core strength, glutes, thighs, and biceps. The product is described as perfect for home use, especially for those with limited space, and is often cited as an excellent piece of equipment for maintaining a consistent routine.
Some critical points from owners include observations about the handle, which some find to be skinny and smooth, potentially affecting grip during certain exercises. A few users note the weight increments, particularly the jump from 25 to 35 pounds, can feel significant. There is also a mention that the plastic housing, while sturdy, might be a concern if the unit is put down too hard. The overall sentiment from the vast majority of reviews, however, is one of high satisfaction with the product’s performance and value. For other highly-rated products based on user feedback, browse our reviews category.
Pros and Cons
Pros
- Highly space-efficient design replaces multiple kettlebells.
- Simple dial mechanism allows for quick weight transitions.
- Broad weight range supports progression for various fitness levels.
- Mobile app integration adds structured workout options.
- Compact footprint is ideal for small home gyms.
- Durable construction for repeated high-rep use.
Cons
- Maximum weight may be insufficient for experienced lifters.
- Advanced app features require a subscription after the trial.
- Kettlebell-specific shape limits some exercise variations.
- Handle material and diameter may not suit all grip preferences.
- Weight increments include a large jump between 25 and 35 lbs.
- Plastic housing could be a durability concern if mishandled.
Who Should Buy It (and Who Should Skip It)
The BowFlex 100790 is an excellent choice for home fitness users who prioritize space efficiency and workout versatility. It is ideal for beginners to intermediate exercisers looking for a single tool that enables a wide range of full-body exercises, from swings and rows to squats and presses. It suits those who appreciate quick adjustments to maintain workout intensity and anyone interested in supplementing their routine with guided digital workouts via the JRNY app.
This kettlebell is less suitable for advanced strength athletes whose training requires weights significantly above 40 pounds. Users who prefer the specific feel and grip of traditional cast iron kettlebells, or those who need perfectly incremental weight progressions, might find its design and weight jumps limiting. Individuals seeking a purely mechanical tool without any digital subscription element may also want to consider non-connected alternatives. For those focusing on other areas of home tech, our AI & Software section covers different innovative tools.
Final Verdict
The BowFlex SelectTech 840 Adjustable Kettlebell successfully delivers on its core promise of space-efficient, versatile strength training. Its dial-based system is practical and user-friendly, effectively consolidating six weights into a single compact unit. The build quality, supported by owner reviews, appears robust for home use, and the integration with the JRNY app provides valuable guided programming for those who want it. For individuals building or maintaining a home gym in a limited space, this product represents a smart consolidation of equipment.
While the 40-pound maximum weight and specific handle design may not meet the needs of every user, particularly seasoned lifters, these are understandable trade-offs for the compact, multi-weight design. The product excels in its target market: home users seeking an efficient, all-in-one solution for effective full-body conditioning. It is a well-executed piece of fitness equipment that makes strength training more accessible and less cumbersome for the home environment.
FAQs
How does the weight adjustment work on the BowFlex 100790?
The kettlebell features a dial selector on the base. By turning this dial, users can choose between six preset weight options: 8, 12, 20, 25, 35, and 40 pounds. The mechanism locks the selected weight plates internally, and the change is designed to be rapid to maintain workout flow between different exercises.
Is the JRNY app subscription required to use the kettlebell?
No, the physical kettlebell functions completely independently without the app. The JRNY mobile-only membership is an optional add-on that provides guided workouts, trainer videos, and adaptive programming. A two-month free trial is included, after which a subscription is required to continue accessing the app’s premium features.
What is the handle like, and is it comfortable for two-handed swings?
The handle is made of plastic with an ergonomic design and a diameter of 28 millimeters. It provides enough room for two-handed exercises like swings. Owner feedback indicates it is generally easy to hold, though some users note the handle is smooth, which may affect grip compared to textured metal handles on traditional kettlebells.
How durable is the BowFlex adjustable kettlebell?
The manufacturer describes the construction as durable for repeated high-rep use, and owner reviews frequently mention its sturdy, solid feel. The composite body and plastic components are designed for home gym use. The product is backed by a two-year warranty, which covers defects in materials and workmanship.
About the author
Elvis Dicki writes reviews and buying guides for CyberSecLabs.