Precor RBK 835 Commercial Series Recumbent Exercise Bike vs Precor UBK 835 Commercial Series Upright Exercise Bike: Spec Comparison
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are comparing the precor rbk 835 commercial series recumbent exercise bike vs ubk 835. Both machines share Precor commercial quality, touch heart rate monitoring, and wide dual-sided pedals. The main difference lies in their design. The RBK 835 is a recumbent bike with a low step-over height and a suspended seat back. The UBK 835 is an upright bike with handlebars offering three riding positions and an ergonomic seat. You choose based on your preferred riding posture and comfort needs.
Key differences
| Aspect | Precor RBK 835 Recumbent Bike | Precor UBK 835 Upright Exercise Bike |
|---|---|---|
| Design | Recumbent | Upright |
| Weight | 210 pounds | 160 pounds |
| Seat Features | Air flex seat with 11 adjustment levels and suspension | Ergonomic seat with comfort groove and narrow nose |
| Handlebars | Not listed | Three positions: upright, cruising, and road racing |
| Entry/Exit | Step-through design with 4-inch step-over height | Not listed |
Which one should you choose?
Choose Precor RBK 835 Recumbent Bike if
- You need a low step-over height for easy entry and exit.
- You prefer a recumbent position with a suspended seat back.
- You want an air flex seat with multiple adjustment levels.
Choose Precor UBK 835 Upright Exercise Bike if
- You want an upright riding position with three handlebar options.
- You prefer a lighter machine that weighs 160 pounds.
- You value an ergonomic seat with a comfort groove.
Verdict: Choose the RBK 835 if you prioritize a recumbent posture and easy accessibility. Choose the UBK 835 if you prefer an upright ride with versatile handlebar positions. Both bikes offer commercial-grade durability and heart rate monitoring.
Spec Comparison of Precor Bikes
Design and Posture
The Precor RBK 835 is a recumbent bike featuring a step-through design with a low 4-inch step-over height. This allows easy entry and exit. It includes an air flex seat with a suspension system and 11 adjustment levels. The seat back moves with you for comfort. The Precor UBK 835 is an upright bike. It offers three handlebar positions for upright, cruising, or road racing styles. The seat has a comfort groove and tapers to a narrow nose. You can choose between supported back riding or active upright cycling based on your preference.
Weight and Footprint
Weight matters for stability and moving the machine. The Precor RBK 835 weighs 210 pounds. Its dimensions are 67 by 23 by 50 inches. The larger mass may provide a steadier feel during intense efforts. The Precor UBK 835 weighs 160 pounds. It is lighter by 50 pounds. This makes the upright model easier to relocate if needed. Both units share a black color scheme. You should measure your space carefully. The recumbent model is longer, while the upright model is more compact in overall footprint.
Heart Rate Monitoring
Both bikes include touch and telemetry heart rate monitoring. This allows you to track your pulse using handlebar sensors or a compatible chest strap. The Precor UBK 835 adds Smart Rate technology. This feature analyzes your heart rate based on entered age and weight. It helps you stay in specific target zones like fat burn or cardio. The RBK 835 lists touch and telemetry monitoring but does not mention Smart Rate in the provided data. You get basic tracking on both, but the upright model offers more detailed zone guidance.
Pedal Design
Both models feature wide, dual-sided pedals. These pedals can be used without straps, accommodating feet of all sizes comfortably. The design allows for barefoot or shod riding. The Precor UBK 835 explicitly states that pedals can be replaced with your own for a custom workout. The RBK 835 data confirms wide dual-sided pedals but does not mention user-replaceable pedals. You get the same standard comfort on both. If you plan to swap in specialized cycling shoes or custom pedals, the upright model confirms this capability in its specs.
Warranty Coverage
Warranty terms differ significantly between the two models. The Precor UBK 835 offers a lifetime frame and welds warranty. It includes 10 years on parts and wear items, plus 1 year of labor coverage. This applies when purchased for home use. The RBK 835 data does not list any warranty information. You cannot verify the coverage terms for the recumbent model from the provided specifications. If long-term protection is a priority, the upright bike provides clear, extensive coverage details that the recumbent option lacks in this data set.
Seat Comfort Features
Comfort varies by design type. The RBK 835 uses an air flex seat with high ventilation. It features a suspension system and 11 adjustment levels. The seat back moves with your body. You can adjust it while on or off the bike. The UBK 835 has an ergonomic seat with a comfort groove. It is 10.5 inches wide and tapers to a narrow nose. It also allows universal seat post installation for custom saddles. The recumbent model offers dynamic suspension, while the upright offers customizable fit and ergonomic shaping.
Which Precor Bike Suits Your Needs
Users needing easy entry and back support
The RBK 835 recumbent design features a 4-inch step-over height for simple entry. Its air flex seat includes a suspension system that moves with you. You get 11 adjustment levels, usable while seated. This setup reduces joint strain and offers stable comfort for longer sessions.
Cyclists wanting multiple riding positions
The UBK 835 upright bike offers three handlebar positions: upright, cruising, and road racing. This allows varied muscle engagement. The ergonomic seat has a comfort groove and tapers for stability. You can also install your own saddle via the universal seat post for a customized fit.
Buyers prioritizing lighter equipment weight
The UBK 835 weighs 160 pounds, making it significantly lighter than the RBK 835. This 50-pound difference aids in placement or relocation. Both models include touch heart rate monitoring and wide dual-sided pedals. The upright frame suits those who prefer a traditional cycling posture over a reclined one.
The products compared
Precor RBK 835 Recumbent Bike
Best for: low-impact cardio with easy entry
- Bike Design
- Recumbent
- Weight
- 210 pounds
View on Amazon: Precor RBK 835 Recumbent Bike Affiliate link
The Precor RBK 835 is a commercial-grade recumbent bike designed for comfort and accessibility. It features a step-through design with a low 4-inch entry height, making it easy to mount. The air flex seat offers 11 adjustment levels and moves with you for support. Touch and telemetry heart rate monitoring tracks your effort. Weighing 210 pounds with dimensions of 67 by 23 by 50 inches, it suits users needing stable, low-impact cardio.
Pros
- Step-through design with a 4-inch step-over height for easy access
- Air flex seat with 11 adjustment levels and suspension support
- Touch and telemetry heart rate monitoring
- Wide, dual-sided pedals usable without straps
Cons
- Large footprint at 67 by 23 by 50 inches
- Heavy build at 210 pounds
- No adjustable resistance levels listed in data
Good fit if
- You need a low step-over height for easy entry and exit
- You prefer a recumbent position for back support
- You want a commercial-grade build for frequent use
Skip if
- You have limited floor space for a 67-inch length
- You cannot lift or move a 210-pound unit
- You prefer an upright riding position
Verdict: Precor RBK 835 Recumbent Bike is built for users who prioritize comfort and accessibility in a recumbent format. It fits those who need a low step-over height and stable, commercial-grade equipment for regular indoor cycling.
Precor UBK 835 Upright Exercise Bike
Best for: Ergonomic handlebar versatility and commercial durability
- Bike Design
- Upright
- Weight
- 160 pounds
View on Amazon: Precor UBK 835 Upright Exercise Bike Affiliate link
The Precor UBK 835 is an upright commercial-grade exercise bike designed for versatile riding positions. It features a wide handlebar setup for ergonomic forearm support and a tapered ergonomic seat with a comfort groove. The unit includes touch heart rate monitoring and dual-sided pedals that accommodate various foot sizes. Weighing 160 pounds, this black bike offers a sturdy build for home or light commercial use with a lifetime frame warranty.
Pros
- Three handlebar riding positions: upright, cruising, and road racing
- Ergonomic seat with a comfort groove and 10.5-inch width
- Dual-sided pedals usable without straps for feet of all sizes
- Touch heart rate monitoring with Smart Rate zone analysis
- Lifetime warranty on frame and welds for home use
Cons
- Heavier build at 160 pounds compared to lighter home models
- No data confirms smartphone app integration or Bluetooth connectivity
- Limited to three riding positions rather than infinite adjustment
Good fit if
- You want multiple hand positions for varied upper body engagement
- You prefer a commercial-grade build with a lifetime frame warranty
- You need wide pedals that do not require straps for secure footing
Skip if
- You require digital app connectivity or wireless data tracking
- You need a lightweight bike for frequent moving or storage
- You prefer a recumbent seat for lower back support
Verdict: Precor UBK 835 Upright Exercise Bike is a solid choice for riders who value ergonomic handlebar versatility and commercial durability. It suits those who want a stable, heavy-duty bike with a lifetime frame warranty and do not need smart connectivity features.
Specifications side by side
| Spec | Precor RBK 835 Recumbent Bike | Precor UBK 835 Upright Exercise Bike |
|---|---|---|
| Bike Design | Recumbent | Upright |
| Design | Recumbent | Upright |
| Weight | 210 pounds | 160 pounds |
| Color | Black | Black |
| Model | PHRCB8353070EN-101 | PHRCB8353090EN-101 |
Frequently asked questions
Is the Precor RBK 835 heavier than the UBK 835?
Yes, the recumbent model weighs more. The RBK 835 weighs 210 pounds, while the UBK 835 weighs 160 pounds. The extra mass in the recumbent unit adds stability for users who prefer a seated, low-step-over position. This difference in weight reflects the distinct structural needs of each design.
What is the main design difference between these two bikes?
The primary difference is the riding posture. The RBK 835 is a recumbent bike with a low step-over height for easy entry. The UBK 835 is an upright bike designed for a traditional cycling position. You choose based on whether you need back support or a standard riding stance.
Do both bikes use the same color scheme?
Yes, both models are available in black. This consistent color option allows them to blend into various commercial gym environments or home setups. The visual uniformity helps facilities maintain a professional look across different equipment types.
Which bike is better for users with mobility issues?
The RBK 835 is better for mobility challenges. Its recumbent design features a low 4-inch step-over height, making entry and exit simple. You do not need to lift your leg high. This accessibility suits users who need stable support and easy access to the seat.
Are the model numbers different for each bike?
Yes, each bike has a unique model number. The RBK 835 uses PHRCB8353070EN-101. The UBK 835 uses PHRCB8353090EN-101. These distinct identifiers help you locate specific parts or manuals for the exact machine you own or are comparing.
Is the UBK 835 suitable for commercial use?
Yes, the UBK 835 is built for commercial durability. It features a heavy-duty frame suitable for high-traffic environments. This upright bike is designed to withstand frequent use by multiple riders while maintaining structural integrity over time.