YEJMKJ Ratio 50:1 Planetary Gearbox for Nema 23 Stepper Motor 60-90mm Backlash 20 arcmin Input Shaft 31mm φ10mm Planetary Reducer for 57 Step Motor incl. 4 Screw 2 Plug 1 Key CNC 3D Printer Lathe
£79.69
Price shown was last seen 6d ago. Amazon prices change frequently — check before buying.
Specification
| Brand | YEJMKJ |
| Condition | New |
| ASIN | B0FHHWQ6WJ |
Recent price history
| Seen | Price | Condition |
|---|---|---|
| 24 Oct 2026, 01:50 | £79.69 | New |
| 17 Oct 2026, 00:20 | £79.69 | New |
How this price compares
A little below what it usually costs.
Price now
£79.69
Typical over 12 months
£81.68
Typical over 90 days
£64.82
Against the 12-month typical
2% cheaper
It was cheaper than this for 32% of the last year.
“Typical” is a time-weighted median of the real price history — the price this product held for most of the period, not an average. We use the median because averages are distorted by short spikes. How we rank
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