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uxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0.5 Mod 40T 6.35mm Bore 21mm Outer Dia, M3 Set Screws Included
✅ In stock
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 11:39 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amadeo City
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Pinion Gear: Model: 0.5 Mod; Teeth: 40T; Bore Size (Shaft Dia.): 6.35mm / 0.25"; Outer Dia. (Teeth Part): 21mm / 0.83"; Effective Teeth Length: 5mm / 0.2"; Step Size: 18mm x 5mm / 0.71" x 0.2" (D*H)
✓Brass Parts: The brass pinion gear has strong wear resistance, high strength, high hardness and chemical corrosion resistance.
✓Easy to Use: Be sure your RC motor shaft have the same diameter. Comes with set screws for each pinion gear, easy to install. Hardness of teeth surface: soft teeth surface.
✓Tips: Release the motor to install the pinion. Make sure to lock it on the flat part of the motor shaft.
✓Package Content: 1pcs x Pinion Gear, 2pcs x M3 Set Screws. Good pinion gear replacement for your equipment.
⚙️ Specifications
4.33 x 2.4 x 0.31 inches
1.13 ounces
uxcell
B0B7B95ZDG
a22051200ux0645
July 22, 2022
Package Dimensions
4.33 x 2.4 x 0.31 inches
Item Weight
1.13 ounces
Manufacturer
uxcell
ASIN
B0B7B95ZDG
Item model number
a22051200ux0645
Date First Available
July 22, 2022
Best Sellers Rank
See Top 100 in Industrial & Scientific