Reebok Jet 300 Treadmill Review 2026 – Best Folding Option Under £1,000 UK?

Reebok Treadmill Review

The Reebok Jet 300 is the flagship of the Reebok Jet series and the best folding treadmill in the range: a 2.5 HP motor, a generous 150 by 51 cm deck and 15 levels of power incline, with no subscription and no app lock-in. Here is our full assessment, and what to buy instead while it is out of stock.

By Chris Linford  |  Updated June 2026  |  Researched and compared, prices checked regularly

Out of stock

Currently out of stock, our other best picks at a similar price to consider:

RunRank 4.0British brand

JTX RunRise XL

Our best overall under £1,000. Folds dead flat under furniture, 2-year in-home repair from a British brand.

£999

Buy from JTX → Read full review

RunRank 4.5

Echelon Stride 50 RCX

The highest RunRank here. The widest deck under £1,000, a 15-level incline and 12.5 mph.

£999

Buy at Sweatband → Read full review

RunRank 4.1

Horizon Omega Z

The same quiet 3.0 HP motor as pricier Horizons, a full-size cushioned deck and Pulse Train coaching.

£899 was £1,399

At Fitness Options → Read full review

What is the Reebok Jet 300?

The Jet 300 is the flagship of the Reebok Jet series and the best folding treadmill Reebok makes. It combines a 2.5 HP motor, a generous 150 by 51 cm running deck and 15 levels of power incline in a machine that folds upright when you are finished. No subscription required, no app lock-in, just a solid, well-built treadmill that does everything most home runners need.

At around £899 to £999 it sits in the sweet spot where you are paying enough for genuinely good hardware but not so much that a chunk of the price goes on a screen and a monthly subscription, as it does in NordicTrack or Peloton territory. Everything you pay for here goes into the physical treadmill, and it shows. We have compared it against every other machine in this bracket, and it consistently ranks among the best treadmills under £1,000 in the UK.

Motor and running feel

At 2.5 HP continuous duty, this is the most powerful motor in the Jet series. The 12.4 mph top speed comfortably covers walking, jogging, interval training and full-pace running for the vast majority of home users. What matters more than headline speed is how the motor performs under load, and the Jet 300 holds its speed consistently: no hesitation on push-off, no surge when you lift your foot. Smooth and predictable, which is exactly what you want at pace.

Noise is genuinely low, quieter than the Jet 100z and Jet 200 below it in the range and noticeably quieter than NordicTrack T Series models at equivalent speeds. If you run in a flat or a terraced house, that matters.

Incline

Fifteen levels of power incline give the Jet 300 one of the widest incline ranges under £1,000. Quick-adjust buttons on both the console and the handlebars let you change gradient mid-stride, with shortcut keys for 3, 6, 9 and 12 percent for fast transitions during interval work. Every level is electronically controlled rather than set with a manual lever, so built-in programs adjust the gradient automatically for genuine hill training. Transitions happen gradually rather than in sudden jumps, which makes light work of the popular 12-3-30 workout.

Running deck and cushioning

At 150 by 51 cm this is the largest deck on any folding Reebok treadmill. For context, the Jet 200 below it offers 140 by 46 cm, and you feel the difference immediately. The extra length gives taller runners room for a natural stride, comfortable up to around 6 ft 3, and the 51 cm width gives enough lateral room to drift slightly without catching the belt edge. Impressively, it matches the non-folding Reebok FR30z Floatride on deck size.

Reebok’s Air Motion cushioning works through eight pods built into the deck: air is pushed through them to absorb impact on landing, then redistributes as you push off. The feel lands sensibly between a hard gym deck and an over-soft budget one, enough to take pressure off knees and ankles without feeling spongy. It is a different system to the Floatride+ cushioning in the FR range, which is more responsive and springy; Air Motion is softer and more forgiving. Neither is objectively better, it comes down to preference.

Console, programs and connectivity

A 6-window LED display with a profile chart handles console duties, showing speed, time, distance, calories, incline and heart rate at once. There is no touchscreen and no streaming, so if you want Netflix on a built-in screen this is not your treadmill. What you get instead is clarity, every metric visible at a glance with no menus to tap through while running.

Program variety is strong: 24 presets covering fat burn, hill, interval and endurance work, plus 3 user-defined programs, 3 heart-rate control programs and 3 target modes for distance, time and calories. None of it needs a subscription. Bluetooth links to the Reebok Fitness App and to Kinomap for scenic routes and structured sessions, though Kinomap’s full library needs its own subscription. A 5W speaker system, aux and headphone ports, USB charging, a device holder and an adjustable cooling fan round out the console.

Build quality, folding and assembly

At 87 kg this is a heavy machine, and that weight is a feature: no wobble at speed, no lateral movement on incline. Steel construction with a corrosion-resistant finish feels built to last, and the 140 kg maximum user weight is the highest in the Jet series. Folding uses a soft-drop hydraulic mechanism that lowers the deck slowly rather than slamming, with transport wheels to tilt and roll it against a wall.

It arrives 95 percent pre-assembled and needs roughly 10 to 15 minutes of work with the included tools, attaching the uprights and console to the pre-built base. Two people are recommended for unboxing given the 100 kg box weight, but the assembly itself is far quicker than the 60 to 90 minutes a NordicTrack T Series typically demands.

How it compares

The Jet 300’s closest rival within Reebok’s range is the FR30z Floatride, often around the same £999. On pure running credentials the FR30z wins, with a more powerful 4.0 HP motor, a higher 150 kg user limit and a fixed, non-folding deck that has zero flex, plus the springier Floatride+ cushioning. But the Jet 300 wins on one decisive factor: it folds. The FR30z demands permanent floor space of roughly 187 by 74 cm, whereas the Jet 300 folds upright and rolls against a wall. Dedicated gym room, buy the FR30z; need to reclaim the space, buy the Jet 300.

There is also a Jet 300+ variant: physically identical, but the 6-window LED console is swapped for a 10.1-inch touchscreen with Netflix, YouTube, Spotify and the Reebok Fitness App built in. It usually costs more, though it has appeared at Argos for £749.

Full specifications

Frequently asked questions

The verdict

The Jet 300 is the best folding treadmill Reebok makes and one of the best folding treadmills under £1,000 in the UK: no touchscreen gimmicks, no subscription upsells, just a reliable running experience on a genuinely spacious deck with enough incline and motor power to challenge you for years. That 150 by 51 cm deck is the standout, matching the non-folding Floatride models on size while still folding away, and the warranty with no registration deadline is a quiet confidence signal. Half a point is held back because the fixed-deck FR30z is more stable and powerful at a similar price, so if folding is not essential the FR30z is the better runner’s treadmill. For the majority of UK buyers who need their treadmill to fold, the Jet 300 is the one to buy.

We research and compare products independently using our RunRank system. If you buy through links on this page we may earn a commission, at no extra cost to you. Prices are checked regularly and change with sales and stock, so always confirm current price and availability on the retailer’s site.