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MERACH S15 Folding Exercise Bike vs XTERRA Fitness FB150 Folding Bike

Buy the MERACH if you want more resistance range, a higher weight limit and app support; buy the XTERRA FB150 if you want a lighter, simpler bike for shorter riders. The MERACH has 16 magnetic levels, a 300 lb capacity and resistance bands, while the XTERRA has 8 levels, a 225 lb limit and a 5'10" max user height. Owners rate the MERACH well at 4.5 from 833 ratings; the XTERRA's thin 90-day parts warranty is the bigger long-term risk.

  • Choose the MERACH Folding Exercise Bike if you want more resistance levels, a higher weight capacity and app-guided workouts.
  • Choose the XTERRA Fitness Folding Exercise Bike FB150 if you are under 5'10", want a lighter bike to fold and store, and only need light resistance.

Prices

  • MERACH S15 Folding Exercise Bike: $115.99 at Walmart (checked today)
  • XTERRA Fitness FB150 Folding Bike: $120.40 at eBay (checked today)
  • Difference: the MERACH S15 Folding Exercise Bike is $4.41 cheaper than the XTERRA Fitness FB150 Folding Bike today
MERACH
MERACH Folding Exercise Bike

MERACH S15 Folding Exercise Bike

MERACH Folding Exercise Bike

4.5(833 ratings)
$115.99at WalmartObserved at 4:45 AM
See all prices and details
Visit Walmart
Pros
  • 16 resistance levels cover easy spins to hard intervals
  • 300 lb capacity suits heavier riders
  • Resistance bands add upper-body work
  • Free lifetime app membership and heart rate monitor
Cons
  • Heavier at 45.41 lb, so harder to move once folded
  • No stated max user height
  • Needs AAA batteries for the console
XTERRA Fitness
XTERRA Fitness Folding Exercise Bike FB150

XTERRA Fitness FB150 Folding Bike

XTERRA Fitness Folding Exercise Bike FB150

$120.40at eBayObserved at 4:43 AM
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Lighter at 32 lb and easy to fold and store
  • Simple 8-level dial with no app or pairing to set up
  • Solid X-frame steel build
  • Tracks time, speed, distance, calories and pulse
Cons
  • 225 lb capacity and 5'10" height limit exclude many riders
  • Only 8 resistance levels, light for hard intervals
  • 90-day parts warranty is short
  • Console time drifted about 3.5 minutes from an Apple Watch

What separates them

MERACH S15 Folding Exercise BikeXTERRA Fitness FB150 Folding Bike
Resistance levels16 magnetic levels8 magnetic levels with a manual dial
Weight capacity300 lb225 lb
Max user heightNot stated5'10"
Assembled weight45.41 lb32 lb
App and trackingMERACH app with free lifetime membership; heart rate monitorConsole tracks time, speed, distance, calories and pulse; no app
ExtrasResistance bands for upper-body workBike only
WarrantyNot stated1 year frame, 90 days parts
Console accuracyNot statedTime ran about 3.5 minutes ahead of an Apple Watch in testing

Price history

$204.06$115.99
Oct 29Nov 9
  • MERACH S15 Folding Exercise Bike: lowest $115.99 on Nov 9 at Walmart.
  • XTERRA Fitness FB150 Folding Bike: lowest $162.10 on Oct 29 at eBay; $164.53 on Nov 9.

Prices at every store

MERACH S15 Folding Exercise Bike

  • WalmartNew

    In stockSold by MERACH FITNESS

    $115.99Free shippingObserved at 4:45 AM
    Visit Walmart
  • Best BuyNew

    In stock

    $149.99Free shippingObserved at 4:45 AM
    Visit Best Buy
  • eBayNew

    Availability unknownSold by vipoutlet (97.2% positive, 1,000,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $171.00Free shippingObserved at 4:43 AM
    Visit eBay
  • furnisphere.coNew

    Availability unknown

    $180.00Observed Nov 2, 2026, 2:34 AM
    Visit furnisphere.co

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission.

All 4 stores and price history →

XTERRA Fitness FB150 Folding Bike

  • Newegg.comNew

    In stockSold by DianLan

    $360.15Free shippingObserved at 4:45 AM
    Visit Newegg.com
  • eBayNew

    Availability unknownSold by carmcma75 (0% positive, 0 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $120.40Free shippingObserved at 4:43 AM
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $179.90Free shippingObserved at 4:43 AM
    Visit Amazon

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission.

All 3 stores and price history →

Specs compared

SpecMERACH S15 Folding Exercise BikeXTERRA Fitness FB150 Folding Bike
Resistance levels168
FoldableYesYes
Weight Capacity300 lb Weight Capacity225 lb
actual_colorL2—
colorOther—
Max load300 lb—
Resistance methodMagnetic—
Assembled weight45.41 lb (20.6 kg)—
Battery sizeAAA—
Exercise bike typeUpright Exercise Bikes—
AccessoriesResistance Bands—
TypeIndoor Cycle—
Show all 35 specsShow fewer specs
SpecMERACH S15 Folding Exercise BikeXTERRA Fitness FB150 Folding Bike
With Heart Rate MonitorYes—
For Commercial UseYes—
Maximum Weight Capacity—225 lb
Footprint Dimensions—31.89" L x 18.1" W
Height—8.25" (Shipping Dimension)
Length—46.5" (Shipping Dimension)
Width—18.1" (Set-Up Dimension)
Weight—32 lb
Maximum Resistance—8 levels
Maximum User Height

What reviewers say

MERACH S15 Folding Exercise Bike

  • 4.5 / 5833 ratings

With 4.5 out of 5 from 833 ratings, owners mostly treat the S15 as a solid value folding bike for small spaces. Praise centers on easy assembly, quiet magnetic resistance and the fold-away design. Complaints tend to be about the seat comfort and the light feel of the resistance bands.

What people mention
  • Folding designPraisedOwners like that it folds and tucks away in apartments and small rooms.
  • NoisePraisedRiders say the magnetic resistance runs quietly, so it doesn't disturb others.
  • AssemblyPraisedMost buyers report the build takes under an hour with clear instructions.
  • Seat comfortCriticisedSeveral riders find the saddle hard and swap it or add a cushion for longer sessions.

XTERRA Fitness FB150 Folding Bike

Owners treat the FB150 as a budget space-saver: quiet, easy to fold and fine for short sessions. Taller and heavier riders report it feels cramped or flexes, and the console is not trusted for accurate timing.

What people mention
  • Size fitCriticisedRiders near or above 5'10" say the frame feels cramped and the seat does not go high enough.
  • NoisePraisedOwners describe the magnetic resistance as quiet enough for apartments and early-morning use.
  • FoldingPraisedThe bike folds compactly and is light enough to move and tuck away after a ride.
  • Console accuracyCriticisedTime on the LCD ran about 3.5 minutes ahead of an Apple Watch in testing.

Questions and answers

Which is better for a heavier rider?
The MERACH. It holds up to 300 lb against 225 lb for the XTERRA, and its frame is built for that load.
Which folds smaller for a small apartment?
Both fold, but the XTERRA is lighter at 32 lb and has a smaller footprint at about 31.9 by 18.1 inches. The MERACH is easier to ride hard but heavier to lift and tuck away.
Is the MERACH worth stepping up to over the XTERRA?
Yes if you are tall, heavy or want real interval training. The extra resistance levels, higher weight limit and app support matter more than the XTERRA's lighter frame.
Which lasts longer?
The XTERRA states a 1-year frame and 90-day parts warranty; the MERACH does not publish one. On paper the XTERRA is clearer, but the MERACH's higher weight rating suggests a sturdier build.
Do either connect to workout apps?
Only the MERACH, through its free lifetime app membership. The XTERRA console has no app support and only shows basic metrics.
Can I do upper-body work on either?
Only on the MERACH, which includes resistance bands. The XTERRA is pedaling only.

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—
5'10"
Resistance Type—Magnetic
Resistance Adjustability—Manual dial
Build Quality—Solid X-frame design
Frame Warranty—1 year
Warranty—90 days parts
Durability Material—Alloy Steel
Parts Warranty—90 days
Safety Features—Secure non-slip surface (foot pedals)
Safety Stability—Sturdy
Activities Tracked—Time, Distance, Pulse, Speed
Tracking Metrics Tracked—Time, Calories burned, Distance, Pulse, Speed
Tracking Accuracy—Time was ahead of Apple Watch by about 3.5 minu…
Tracking App Support—No