Skip to content
LiftEvidence

JELENS

JELENS M21 Smith Machine with Dual Pulley Cable Crossover

Independent pulleys on each side — two people can train at once

Data checked October 8, 2026 · How we evaluate

Best for
Couples or training partners who want to use both cable sides independently in one all-in-one unit.
Skip if
Buyers who want detailed published dimensions, weight and warranty, or the smoothest possible movement.

Amazon customer rating

See current rating and reviews on Amazon

Amazon's rating, not ours — it changes over time, so we link to the live figure.

Type
Smith machine + cage + cables
Cable system
Independent dual pulley systems with cable crossover, plate-loaded
LiftEvidence score
6.9 / 10
Check price on AmazonCompare

Affiliate link: LiftEvidence may earn a commission at no extra cost to you. Prices and availability are shown on Amazon. Disclosure

Quick verdict

LiftEvidence editorial assessment

An all-in-one Smith machine and power cage on 50 × 50 mm uprights with independent pulley systems on each side, so two people can use the cables at once, plus many hole positions for J-hooks, safeties and the Smith bar. The accessory list is long. Owners rate it as good value and effective; assembly and cable smoothness both get mixed reviews, and the listing gives few concrete specifications beyond a 2,000 lb rating.

Specifications

Source: manufacturer listing

As stated by the manufacturer (website or Amazon listing; conflicts are noted). Information that was not available or could not be confirmed is omitted or marked “Not reliably published”.

Brand
JELENS
Model
M21
ASIN
B0F483SCPL
Type
Smith machine + cage + cables
Stated Smith capacity
Listing states 2,000 lb for the frame
Cable system
Independent dual pulley systems with cable crossover, plate-loaded
Frame
50 × 50 mm steel uprights

Sources: Amazon.com listing. Checked October 8, 2026.

Who it suits

LiftEvidence editorial assessment

Best suited to

  • All-in-One Home Gym
  • Cable Work

Couples or training partners who want to use both cable sides independently in one all-in-one unit.

Less suitable for

Buyers who want detailed published dimensions, weight and warranty, or the smoothest possible movement.

Strengths and drawbacks

LiftEvidence editorial assessment

Strengths

  • Independent pulleys on both sides
  • Many adjustment positions
  • Long accessory list

Drawbacks

  • Few published specifications
  • Mixed smoothness reports
  • Small review base (59)
  • Warranty not stated in the details we reviewed

Smith bar, cables and build

LiftEvidence editorial assessment

Our interpretation of the specifications, stated construction and recurring customer feedback. We have not independently tested this product.

Smith bar smoothness
Moderate
Cable training
Good
Stability
Good
Free-weight rack use
Good
Build quality
Good

Evidence and product claims

Scientific evidence, independent testing and manufacturer claims are different kinds of information and are not equivalent.

Independent testing

No independent laboratory testing of this model identified.

Manufacturer claims

50 × 50 mm steel; 2,000 lb rated; independent pulley systems on both sides (manufacturer listing).

Marketing statements; not independently verified.

Customer feedback

Source: Amazon customer reviews · checked October 8, 2026

Amazon customer rating

See current rating and reviews on Amazon

Amazon's rating, not ours — it changes over time, so we link to the live figure.

Customer ratings reflect user experience on Amazon. They are not LiftEvidence ratings and are not controlled evidence.

Recurring themes

Owners find it a good-value addition to a home gym that works well. Assembly is straightforward for some, with instructions that could be clearer; smoothness of cables and pulleys gets mixed reviews.

Commonly praised

  • Good value
  • Versatile

Commonly criticised

  • Instructions could be clearer
  • Mixed smoothness reports

Editorial scores

LiftEvidence editorial assessment · 0–10

6.9/ 10 · LiftEvidence score (weighted)

Frame & build · 25%
7.0
Smith system · 20%
6.5
Cable system · 15%
7.0
Versatility · 15%
8.5
Specification transparency · 10%
5.0
Owner feedback · 15%
6.5

Editorial judgements from the manufacturer's specifications, stated construction and recurring customer-review themes, using the same criteria for every product in this category. They are not measurements, and we have not tested this product. How we evaluate

Compare with other smith machines

Best Smith Machines: buying guide All smith machines in one table

Where to check the price

LiftEvidence is not the seller. These links lead to the Amazon listing for this model; availability differs by country.

Amazon US

JELENS M21

Check price on Amazon