Professional Toy Gears122.3A Copper Gears 0.5M 12 Tooth 2.3mm Shaft Hole for 390 Motor Spindle Axis Gear


Gear Number: 122.3A Material: Copper Tooth Number: 12pcs Gear Module: 0.5M Shaft Hole Diameter: 2.24mm (Tight for 2.3mm Shaft) Gear Thickness: 5mm Outside Diameter: 7mm Advice: Commonly used with 380, 390 motor. The hole of gear is 2.24mm, it is very tight for 2.3mm axis, But if you heating the gear, then you can easily set it on the shaft. When the gear cold, it will tightly fixed on the axis. Note: This product will ship by China Post Ordinary Small Packet Plus , this one is very cheap but have no full tracking information. If you accept it, please do not random open dispute. Please choose China Post Air Mail if you want a full tracking info.


We can Accept West Union , Money Booker , VISA , QIWI , WebMoney , Bank Transfer , etc.


When you place an order, please choose a shipping method and pay for the order including the shipping fee. We will send the items within the limited days once your payment is completed. We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your products is inspected. Please note that buyers are responsible for all additional customs fees, brokerage fees, duties and taxes for importation into your country. These additional fees maybe collected at time of delivery. We will not refund shipping charges for refused shipments. The shipping cost does not include any import taxes, and buyers are responsible for customs duties.

How Long You Will Receive Your Order as Usual?


1. We will send out the order within 1-3 working days. Some big wholesale order will need more days. (PS: If some products out of stock, we need to customize from factory for you, In this case will need about 5-8 days.)

2. For customize order, the order send out time please contact seller.

3. Post air mail delivery time can not control. Busy season, bad weather,customs adjustment will delay.

Post Service & Delivery Time

(Not Included Order Preparation Time)

China Post Registered Air Mail

Albania/ Argentina/ Aruba/ Azerbaijan/ Bangladesh/ Bahrain/ Brunei Darussalam/ Czech Republic/ Dominican Republic/ Finland / Fiji / Georgia / Indonesia/ India/ Iran (Islamic Republic of)/ Jordan/ Cambodia/ Mauritius/ Maldives / Netherlands/ Oman/ Peru / Pakistan / Puerto Rico / Portugal/ Paraguay / Slovakia (Slovak Republic)/ Serbia/ Ukraine / Vietnam / France / United Kingdom / United States/ New Zealand/ Belgium / Switzerland/ Denmark/ Ireland / Israel / Norway / Sweden / Turkey/ Austria / Malaysia / Singapore/ Thailand / South Korea / Japan

About 10-39 days

United Arab Emirates/ Cyprus/ Kazakhstan/ Philippines/ Saudi Arabia/ Bulgaria / Belarus / Germany / Estonia /Spain / Greece/ Hungary / Italy/ Lithuania /Latvia / Poland/ Romania/ Russian Federation / Slovenia/ Australia/ Chile/ Colombia/ Canada / Mexico/ Cameroon/ Egypt / Nigeria /South Africa

/ and Other Most of Countries

About 15-60 days

Brazil / and The Countries with War, Political Turmoil, Traffic not Convenient

About 25-120 days

Business Express

EMS/ DHL / UPS / Fedex / TNT

About 5-15 days (Some Unexpected situations and special period 8-23 days)

ePacket (USA)

About 7-23 days

Special Line

Shipping Cost and Delivery Time Frequent Changes. Please contact seller to get details

1. Purchasing is business, so maybe your customs will charge tax for your parcels. (We usually send your parcel as gift with low declare value.)

2. Customs generally only check part of the parcels. If your parcel unlucky to been charged tax, please cooperate with customs to pay tax.(According to policy: Sellers are not responsible for buyer\'s tax.)

We do our best to serve our customers the best that we can. we will refund you if you return the items within 5days of your receipt of the items for any reason. However, the buyer should make sure that the items returned are in their original conditions. If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or loss, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or loss. The buyer will be responsible for the shipping fees to return the items.

Sizing or Fit Issue:

The sizes are illustrated with specific measurements in the detailed specifications. Please check the specifications before you place order. Normally the allowable differences in the size are approximately 0.5 inch in measurement. If you find the size of the products do not fit you, you can contact us directly.

Color Mismatch:

Differences in color may be caused by some other reasons such as color reflection in the monitor, lighting, background etc. however, if you believe that the item received is in wrong color, please contact us to see if a return or refund is possible.

Your satisfaction and positive is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services. If you have any problem with our items and services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.

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  • Processing: Die Casting
  • Shape: Ring Gear
  • Material: Stainless Steel
  • Standard or Nonstandard: Standard
  • Direction: Right Hand
  • Model Number: 122.3A
  • Pressure Angle: 0.5M
  • Tooth Profile: Bevel Gear

  • Package Size: 15cm x 10cm x 5cm (5.91in x 3.94in x 1.97in)
  • Unit Type: lot (10 pieces/lot)
  • Package Weight: 0.01kg (0.02lb.)