YEJMKJ Ratio 20:1 Planetary Gearbox for Nema 23 Stepper Motor 57-83mm Backlash 20 arcmin Input Shaft 21mm φ10mm Planetary Reducer for 57 Step Motor incl. 4 Screw 2 Plug 1 Key CNC 3D Printer Lathe
Today’s price is 14% below what it has typically cost over the last 12 months.
£70.88
Typical over 90 days £82.37
13% below typical
Price shown was last seen 18h ago. Amazon prices change frequently — check before buying.
Specification
| Brand | YEJMKJ |
| Condition | New |
| ASIN | B0FHHWL7CV |
How this price compares
A good price — it has rarely been cheaper.
Price now
£70.88
Typical over 12 months
£82.34
Typical over 90 days
£82.37
Against the 12-month typical
14% cheaper
It was cheaper than this for 19% 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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