SLUNSE 509A Magnetic Resistance Exercise Bike, 350 lb Capacity

Exercise: The SLUNSE 509A is a home stationary bike with magnetic resistance, app compatibility, and a claimed 350 lb weight capacity. Its adjustable seat and handlebars, LCD workout monitor, and included arm resistance bands make it a fit for riders wanting varied indoor sessions without a large feature set of built-in programming.

At a glance

Magnetic resistance is described as quiet and adjustable, with 100 micro-adjustment levels.
Adjustable seat and handlebars are specified for riders from 4'8'' to 6'1''.
LCD monitor tracks time, speed, distance, calorie consumption, and odometer data.
Listing says compatible with Zwift and Kinomap for app-connected workouts.
Two arm resistance bands are described as mountable at the front or rear for upper-body work while cycling.

Price

$118.99Save 15%

Reference price: ~~$139.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

A wide claimed rider-height range and four-way seat adjustment give buyers several ways to tailor the riding position.
The monitor tracks several basic workout measures without requiring an app.
Transport wheels are described for moving the bike between rooms.

Cons

The listing describes app compatibility but does not specify whether workout data syncs from the bike or which features work with each app.
The listed setup time is an estimate, and the bike still requires assembly.

Technical specifications

16 specifications

Identity
Brand	SLUNSE
Model	509A
Color	Grey Orange

Resistance and drive
Resistance type	Magnetic resistance
Resistance adjustment	100-level micro-adjustment magnetic resistance
Flywheel	35lbs flywheel
Drive	Maintenance-free belt drive

Fit and capacity
Maximum user weight	350 lbs
Suggested rider height range	4'8'' to 6'1''
Handlebar adjustment	2-way adjustable
Seat adjustment	4-way adjustable

Monitoring and connectivity
Monitor	time, speed, distance, calorie consumption, and odometer data
App compatibility	compatible with popular fitness apps like Zwift and Kinomap

Construction and setup
Assembly	80% pre-assembly
Setup estimate	20-25 mins
Noise claim	25dB

What to know before buying

Listing details to confirm

The listing calls this a 6-in-1 bike but enumerates ride positions and modes inconsistently. It does not clearly establish six distinct functions. The claimed noise level, app behavior, and 350 lb capacity are listing claims, not independently measured here.

Who is it for?

A good fit for

Home riders who want adjustable magnetic resistance and basic workout tracking.
People interested in using a compatible fitness app alongside indoor cycling.
Buyers who want arm bands for adding upper-body movement during rides.

Less suited to

Riders who need a confirmed app data-sync feature or defined app subscription terms.
Buyers seeking independently verified noise, stability, or weight-capacity performance.

SLUNSE 509A Magnetic Resistance Exercise Bike, 350 lb Capacity · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 20 ratings

5 stars59%59%
4 stars24%24%
3 stars14%14%
2 stars3%3%
1 star0%0%

Customer feedback highlights easy assembly and suitability for indoor use. Those impressions are relevant for a home bike that the listing says arrives 80% pre-assembled and includes transport wheels, though the feedback does not establish a measured setup time or performance. Ratings are mostly favorable but include some middle-range scores, and the sample is limited.