A practical look at the Merach S36B5‘s rotating HD display, automatic resistance, fit range and buying trade-offs for home cyclists.
Choosing an indoor bike is partly about resistance and fit, but it is also about what makes you come back to the next session. The Merach S36B5 Indoor Exercise Bike with HD Screen puts a large adjustable display at the centre of that question. Does its screen and connected setup justify choosing it over a simpler bike?
We reviewed the UK listing for its stated features, compatibility and buying details. The product page presents the S36B5 as a connected training station rather than a basic spin bike, so the useful test for shoppers is whether those extras match their habits and available space. Screen-led features are only valuable when used.
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Key facts: The S36B5 combines a 21.5-inch HD display that rotates and tilts with 16 automatic magnetic resistance levels. The listed rider height range is 142 to 188 cm, and maximum user weight is 150 kg. It is most compelling for people who want workouts or entertainment on the bike itself; shoppers who prefer a straightforward console may not need its screen.
The S36B5 makes its display part of the workout
The Merach S36B5 screen is the model’s defining feature. At 21.5 inches, it is substantially more than a small metrics panel: it is designed to show training content and can rotate 180 degrees or tilt 60 degrees. That movement gives the display more flexibility beyond looking straight ahead while pedalling, although the UK listing does not spell out every off-bike workout scenario. Buyers should check the current page for what content and apps are included before treating the screen as an all-in-one class subscription.
The listing says the bike supports smartphone screen mirroring, with an explicit compatibility caveat for iPhone 17 series and Google phones. Compatibility is a practical caveat. That exception matters: a large display is only useful for personal content if the phone connects. We would confirm the exact handset and preferred training apps before ordering, and distinguish app compatibility from included content or memberships.
The S36B5 also supports the Merach app, while the listing names Kinomap, Zwift, Apple Health and Google Fit compatibility. This gives data-conscious riders options for carrying workout information between services. Compatibility can depend on app versions, device settings and account setup, so prospective buyers should check the current product page and the relevant app requirements rather than assume every connection works identically.
A second differentiator is 16 automatic resistance levels. Automatic adjustment can suit guided workouts where resistance changes during a session, and it reduces the need to reach for a dial. The store describes a quiet magnetic system, a shock-absorbing saddle, and adjustment at the seat and handlebars. It lists users from 142 to 188 cm and up to 150 kg. Those ranges are useful screening details, but they do not replace checking the bike’s dimensions and confirming a comfortable riding position.
- Display-led training: the rotating screen is the main reason to shortlist this model.
- Guided changes: automatic resistance is suited to sessions that vary effort without manual knob turns.
- Fit check: the listed height and weight ranges can help rule out a mismatch early.
The buying case depends on how often you will use the screen
In practical terms, the S36B5 makes most sense for a household that will regularly use on-screen workouts, phone mirroring or app-linked training. A large screen may make a dedicated workout corner feel more engaging and keep a separate tablet from becoming another item to set up. The benefit depends on the user’s routine, though: habit matters more than screen size. someone who mainly pedals while listening to audio may get less value from the display.
The bike arrives 80% pre-assembled, according to the page, which may reduce the work involved but still leaves some assembly. Buyers should review the included instructions and allow room to unpack and finish setup. The listed seat is shock-absorbing and adjustable, but comfort remains personal. If possible, compare the fit dimensions and saddle expectations with a bike you already know.
The S36B5’s adjustable screen position could also help keep a workout visible when the bike is placed near a wall or shared living space. Verify clearances against the product dimensions: the page’s rider fit range does not tell you how much floor area you need around the frame.
There is also a meaningful cost trade-off. Merach’s UK catalogue includes simpler exercise bikes and recumbent models, so the screen-led feature set will likely place the S36B5 at a different buying tier. We are not quoting a fixed amount because listings and promotions can change; use the current UK store listing to compare the live price, delivery terms and any included services before deciding.
The purchase experience has some helpful stated assurances. The S36B5 page advertises free shipping, a 30-day return period and a 24-month warranty. Read the linked policies for the return and warranty conditions, especially whether return eligibility depends on the product’s condition or packaging and how warranty support is arranged. Those details matter more with a large piece of fitness equipment than with a small accessory.
Two Merach bikes answer different priorities
For a less screen-centred ride, the Merach S26B4 Indoor Exercise Bike has an HD display too, but its UK listing describes manual rather than automatic resistance. It lists 100 manual levels and a 15.6-inch display. That makes it a relevant comparison for riders who want screen-based sessions but like controlling resistance themselves. Check the live listing for current specifications and fit details before comparing.
The Merach S19B1 Recumbent Exercise Bike points to a different use case. Its padded seat with mesh backrest, eight resistance levels and LCD display; the store positions it for comfortable seated exercise. That seated riding position may suit someone prioritising back support and an easy seated position over immersive screen workouts. It is not a direct substitute for a standard upright cycling posture, so choose by preferred riding position.
Merach’s other equipment shows why the training movement should lead the choice. Its S36B5 is a connected cycling option; the UK store also lists treadmills, rowers, ellipticals and vibration plates. A rower such as the R28R1 involves more of the body and needs a different storage footprint, while a treadmill is geared to walking or running. These alternatives are worth considering only if they fit the reader’s actual routine, not simply because the catalogue is broad.
A final checklist keeps the S36B5 purchase grounded
Before adding a large bike to a home, we would check a few practical details on the current UK listing and policies:
- Measure the intended workout area and route through the home for delivery and setup. Space is part of the decision.
- Confirm rider fit against the stated height range and the available seat and handlebar adjustments.
- Check whether your phone supports screen mirroring and which apps you expect to use.
- Review assembly guidance, returns, warranty conditions and delivery information.
Then compare the live price with the simpler alternatives. The value question is not whether a large display looks appealing in a product photo; it is whether the display, automatic changes and app connections remove enough friction from your own exercise routine to earn their space and cost. A glance at the current Merach S36B5 listing should answer the specifications and variant questions before checkout.
Before you decide
We would shortlist the Merach S36B5 for riders who want a screen-led indoor cycling setup, will use its app and mirroring features, and can verify phone compatibility before purchase. The adjustable display and automatic resistance are concrete advantages over a basic console, while the height range, large footprint, connectivity caveats and higher feature tier deserve a careful check.
If the screen is unlikely to be part of regular workouts, compare a simpler bike such as the S19B1 or choose a different riding position. Check the product page for current price and policy terms; the listed specs and offers may change.
The S36B5 is worth considering when its rotating screen and automatic resistance will be used often enough to justify the extra setup and cost.