# Foldable Treadmill,7HP,20 Level Auto Incline,20km/h,180KG Capacity

Source: https://www.ranked10.co.uk/fitness/best-treadmill/decorcn-tj4510-2
Ranked #7 in "Best Treadmill 2026: Ten Ranked on Honest Motors and Real Specs": https://www.ranked10.co.uk/fitness/best-treadmill

- Price: £399.98 (checked on Amazon UK on 2026-09-05)
- Amazon rating: 4.9 from 38 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B0H1J2532V?tag=ranked10-21

The Decorcn TJ4510-2 is our number 7 best treadmill pick and a study in catalogue honesty, because its listing contradicts itself in ways the reviews do not. The title sells a 20 km/h machine, the spec sheet prints 18 km/h, and the incline is described as 20 levels with a clarifying note that level 0 equals 2.2 degrees and level 20 equals 5.4 degrees. That note is honest about what the 20 levels mean, and it is a reminder that levels are not percentages.

The rest of the sheet is strong on paper: a 7 HP motor claim, a 120 by 45 cm belt, 12 preset programs, Bluetooth speakers and a 180 kg capacity in a 59.5 kg frame that folds with a hydraulic system and four wheels. At £399.98 with 38 ratings at 4.9 it is the highest rated treadmill we ranked, but the pool is small. Everything on this page comes from the Amazon listing rather than our own testing.

## Specification

| Field | Value |
|---|---|
| Brand Name | Decorcn |
| Model Number | TJ4510-2 |
| Model Name | Tj4510-2 |
| Maximum Speed | 18 kmph (20 km/h in the title, as listed) |
| Maximum Horsepower | 7 Horsepower |
| Maximum Weight Recommendation | 180 Kilograms |
| Belt | 120 x 45 cm |
| Item Dimensions D x W x H | 146.4D x 61W x 131H centimetres |
| Item Weight | 59.5 kg |
| Incline | 20 levels auto, level 0 is 2.2 degrees and level 20 is 5.4 degrees per the listing |
| Special Features | 20 levels Incline, 7HP, Wide Running Belt, Foldable, Bluetooth Music Playback |
| Display | LED |
| Warranty | 5-year parts and motor cover |
| Best Sellers Rank | 142 in Treadmills |
| ASIN | B0H1J2532V |

## Questions people ask

**What is the real top speed?**

The spec sheet prints 18 km/h while the title says 20 km/h (as listed); we go with the sheet figure.

**What does 20 level incline mean?**

The listing notes level 0 is 2.2 degrees and level 20 is 5.4 degrees, so the 20 levels describe a stepped control, not a 20 percent grade.

**What is the belt size?**

120 by 45 cm, per the listing.

**What is the capacity?**

180 kg, per the sheet.

**How is the after sales service?**

Owners describe replacement parts and installation videos resolving faults quickly, which is rare in this category.

**Why did it rank seventh?**

The reviews are excellent but the pool is 38 ratings and the title overstates the top speed, so we ranked it below machines with more verifiable sheets.