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Asviva S18 Pro Speedbike vs. Merach S36 Heimtrainer compared
Indoor Cycling Bike
At a glance
The key numbers for both devices side by side.
Overall rating
7171Solide
7070Solide
Value for money
51Okay
88Excellent
Best price
€898.00
€239.99€329.99−27 %
Price advantage
—
€658.01 cheaper
Offers
2 shops
3 shops
Rank in category
Rank 21 of 45
Rank 22 of 45
Rating
Sub-ratings compared
Asviva S18 Pro SpeedbikeOverall rating 71Merach S36 HeimtrainerOverall rating 70
Asviva S18 Pro SpeedbikeMerach S36 Heimtrainer
Ride feel & resistance75/10073/100
Ergonomics & adjustability67/10066/100
App & connectivity69/10062/100
Stability & noise71/10073/100
Build quality & ease of use75/10078/100
Ride feel & resistance
75
73
Ergonomics & adjustability
67
66
App & connectivity
69
62
Stability & noise
71
73
Build quality & ease of use
75
78
Specs
Specs compared
Key specs
Brand
Model
S18 Pro
S36
Resistance systemBraking principle according to the manufacturer: magnetic (contactless, quiet), friction (felt or leather brake on the flywheel) or electromagnetic with motorized adjustment. Manufacturers also call the electromagnetic brake ECB or eddy current brake. If a motor adjusts the resistance – it adapts itself during a workout (auto resistance, auto-follow, control via app) –, this counts as “Electromagnetic (motorized)”, even if the manufacturer only speaks of a magnetic brake; “Magnetic brake” means adjustment via knob or lever.
Magnetic brake
Magnetic brake
Flywheel weightWeight of the flywheel according to the manufacturer, not the “effective flywheel weight”; convert figures in lbs to kg.
18 kg (40 lb)
8 kg (18 lb)
DrivePower transmission to the flywheel according to the manufacturer; a belt runs quieter and needs less maintenance than a chain.
Belt
Belt
Max. loadMaximum user weight according to the manufacturer, not the unit’s own weight.
135 kg (300 lb)
150 kg (330 lb)
App connectivityAccording to the manufacturer, the bike can be paired with at least one training app (e.g. Zwift, Kinomap, manufacturer app).
Yes
Yes
Grade simulationThe app adjusts resistance automatically to match the route profile, e.g. in Zwift or Kinomap – requires motorized resistance adjustment
Yes
No
Ergonomics & comfort
Max. user heightMaximum recommended user height according to the manufacturer.
200 cm (6 ft 7 in)
193 cm (6 ft 4 in)
Min. user heightMinimum recommended user height according to the manufacturer.
150 cm (4 ft 11 in)
142 cm (4 ft 8 in)
Saddle adjustmentSaddle adjustment directions according to the manufacturer.
Height and fore-aft
Height and fore-aft
Handlebar adjustmentHandlebar adjustment directions according to the manufacturer.
Height only
Height only
Q-factorDistance between the pedals in cm according to the manufacturer – smaller is easier on the joints
18 cm (7.1 in)
PedalsPedal system included according to the manufacturer; combo pedals have a clipless side and a cage side. Look Delta is a separate clipless standard and not SPD-compatible.
With cages or straps
With cages or straps
Bottle holderWater bottle holder included according to the manufacturer.
Yes
Drive & resistance
Resistance adjustmentType of resistance adjustment according to the manufacturer: stepless via a knob or in fixed levels.
Stepped
Stepless
Resistance levelsNumber of resistance levels according to the manufacturer; leave blank for stepless adjustment.
24 levels
8 levels
Watt-controlledHolds a set power in watts regardless of cadence – ERG mode in training apps
Yes
No
Max. powerMaximum braking power in watts according to the manufacturer
2,010 W
Power supplyPower supply of the console according to the manufacturer.
Power adapter
Battery
Console & connectivity
DisplayType of built-in monitor according to the manufacturer; a plain tablet holder counts as no display.
LCD
LCD
Displayed metricsValues the console shows directly according to the spec sheet, not just the app.
TimeSpeedDistanceCaloriesHeart rate
SpeedCadenceCaloriesTimeDistance
Watt displayAccording to the manufacturer, the bike shows power in watts, either measured or calculated from resistance and cadence.
Yes
Workout programsNumber of preinstalled workout programs
21
Compatible appsApps the manufacturer explicitly lists as compatible.
KinomapZwift
Manufacturer appKinomapZwift
Wireless interfacesWireless connections of the bike according to the manufacturer.
Bluetooth
Bluetooth
Heart rate monitoringHow heart rate is measured; empty = no heart rate monitoring
Hand sensorsBluetooth chest strap
SubscriptionWhether workouts and the screen are fully usable without a subscription (Peloton, iFit)
optional
Tablet holderHolder for a tablet or smartphone according to the manufacturer; mark optional accessories separately
Integrated
Integrated
Dimensions & installation
Dimensions (L × W × H)Assembled, in cm, length × width × height at the lowest handlebar position – e.g. “150 × 68 × 117 cm”
139.5 × 58 × 134 cm (55 × 23 × 53 in)
110 × 48 × 128 cm (43 × 19 × 50 in)
Unladen weightWeight of the assembled bike without packaging according to the manufacturer.
43 kg (95 lb)
29.94 kg (66 lb)
Transport wheelsAccording to the manufacturer, the bike has wheels for moving it around.
Yes
Yes
Standards & classification
Usage classUsage class under DIN EN ISO 20957 according to the manufacturer.
H – Home use
General
Warranty
2 years
Price segment
Budget
In the box
Indoorcycle S18 Pro, Fitnesscomputer, Pulsgurt, Netzteil, Bedienungsanleitung mit Montageanleitung, Werkzeug
Heimtrainer, Lenker mit Lenkerschaft, Sitz mit Sattelstütze, Pedale mit Riemen/Körben, Kleinteile, Montageanleitung, Werkzeug
Prices
Offers
Verdict
Pros & cons
Das Asviva S18 Pro Speedbike ist ein solides Mittelklasse-Speedbike für Fahrer bis 1,85 m, die vor allem im Sitzen trainieren. Riemen und Magnetbremse laufen leise und wartungsarm, du schaltest 24 Gänge per Taste am Lenker, und in Kinomap regelt die App den Widerstand laut Hersteller selbst. Der Haken: Mit 41 kg wenig Reserve im Wiegetritt, für schwere Fahrer und lange Sprints im Stehen gibt es stabilere Räder.
Pros
- Leiser, wartungsarmer Antrieb mit Riemen und Permanentmagnetbremse
- 24 Gänge als 3 x 8 per Tasten am Lenker, fein abgestuft
- Kinomap regelt den Widerstand laut Hersteller automatisch
- Watt-Programm hält die Leistung durch automatische Nachregelung
- Realistische Rennradposition für Fahrer von 155 bis 185 cm
- Ersatzteile und Explosionszeichnungen beim Hersteller erhältlich
Cons
- 41 kg Eigengewicht, wenig Reserve für Sprints im Wiegetritt
- Schwungmasse im Test eher gering für intensives Training
- Lenker nur in der Höhe verstellbar, nicht in der Länge
- Aktuelle Version mit Körbchenpedalen statt Klickpedalen
- Widersprüchliche Herstellerangaben zu Pedalen, Pulsgurt und Schwungmasse
Der Merach S36 ist ein leises Einsteigerrad für die Wohnung: Magnetbremse und Riemen laufen fast geräuschlos, Zwift und Kinomap empfangen Tempo und Trittfrequenz. Bequem passt es Fahrern bis etwa 1,85 m, darüber wird die Sitzposition eng. Der Haken: harter Sattel und wackelnder Lenkerschaft bei Sprints, außerdem misst das Rad keine Watt.
Pros
- Antrieb fast geräuschlos, laut Hersteller unter 25 dB
- Bluetooth-Verbindung zu Zwift, Kinomap und Merach-App lief im Test stabil
- Riemen und Magnetbremse wartungsarm, ohne Verschleißteile
- Widerstand stufenlos ab null, auch für Einsteiger mit wenig Kondition
- Q-Faktor von 18 cm für natürlichen, hüftbreiten Tritt
- Rahmen nach sechs Monaten Dauertest ohne Ermüdung
Cons
- Lenkerschaft wackelt bei Sprints um gut 1 cm
- Sattel sehr hart, drückt nach rund 30 min
- Distanzanzeige etwa doppelt so hoch, Display unbeleuchtet
- Kein App-gesteuerter Widerstand, keine Wattmessung
- Transportrollen schwach, mehrfach in Erfahrungsberichten kritisiert
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