Treadmill Review Site

JTX Sprint-9 Pro

Written by Jamie Miller, Founder & EditorLast checked

We have not run on this machine and we do not pretend to have. What follows is every figure JTX or its retailer publishes about the JTX Sprint-9 Pro, each one carrying where it came from and when we checked it, and an equally plain list of the 3 figures nobody publishes at all.

Evidence we hold for this productManufacturer stated, checked 18 Sept 2026

12 of 15 specifications established from a named source.

What the figures say

Every line below is worked out from the numbers in the table, compared against the other machines we hold records for. None of it is an impression.

In its favour

  • Rated to 150 kg, which almost nothing in the UK consumer market reaches.
  • The motor figure is published as 4 CHP, continuous rather than peak. Most brands leave you guessing which one they mean.

Against it

  • It does not fold, so the floor it occupies is permanent.
  • At 125 kg it is a two-person lift, and it is not going upstairs easily.

Specifications

FigureValueEvidence
MotorHow much continuous power the belt has behind it.4 CHPManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Top speedThe fastest the belt will go.22 km/hManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Maximum inclineHow steep the deck will tilt.11%Manufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Belt lengthThe single figure that decides whether you can run on it.152 cmManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Belt widthHow much room you have side to side.55 cmManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Maximum user weightThe ceiling the frame, deck and motor are rated to together.150 kgManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
Machine weightWhat you have to move when you want it somewhere else.125 kgManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
WarrantyHow long the cover runs, as the maker states it.3 yearsManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
CushioningWhat sits between the deck and your knees.8-point Cushionstep cushioning systemManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
ConnectivityWhether it talks to anything else.Bluetooth, wirelessManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
AppsWhich apps it is stated to work with.Kinomap, ZwiftManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source
FoldingWhether it folds, and how.Does not foldManufacturer stated, Manufacturer spec, checked 18 Sept 2026Source

What nobody publishes

Most sites leave these rows out, which makes a machine look better documented than it is. They are here because knowing what is unknown changes how much weight you put on the rest.

Who it suits

Our reading of the figures above, not a verdict on the machine.

Running
Yes
Walking
Yes
Flat or shared building
No
Putting it away
No

Running is yes on manufacturer figures - 22 km/h on a 152 x 55 cm running area, rated Light Commercial. Apartment is rated no, and this is the one case in this round where a negative is safe without a noise figure: the machine weighs 125 kg, is ground-floor delivery only and does not fold, so the objection is mass and permanence rather than sound. Storage is no for the same reason - a fixed frame with no folding mechanism.

How this page was put together

Every figure above was read off a named source, recorded with the date we read it, and is shown with that source attached. Where two sources disagreed we kept both. Where a figure was missing we left it missing, because the alternative is to borrow a number from a similar model and hope. Nothing here is a measurement of ours. How we review.

Where to go from here

Not sure this is the right one? See the full treadmills buying guidefor what actually decides the choice.