> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt # Gearmotor and Encoder Assembly for Romi/TI-RSLK MAX **Type:** Product page · **SKU:** POLOLU-3675 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia) **Page:** https://core-electronics.com.au/gearmotor-and-encoder-assembly-for-romi-ti-rslk-max.html ([markdown](https://core-electronics.com.au/gearmotor-and-encoder-assembly-for-romi-ti-rslk-max.html.md)) This replacement gearmotor for the Romi/TI-RSLK MAX has an encoder already installed. The assembly is ready to plug into corresponding headers on our... ## Pricing - **Price:** $33.55 (inc GST) — $30.50 AUD, exc GST - **Quantity discounts:** 10+ $29.28 (exc GST) · 25+ $28.36 (exc GST) ## Availability & dispatch - In stock, ships same business day if ordered before 2PM (Australia/Sydney). - We can dispatch 4 today, and up to 60 more in 4–7 days. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=POLOLU-3675:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart. - **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/POLOLU-3675:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.) - **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there. - **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works) - **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt ## Description This product consists of an [item #1520 plastic gearmotor](https://core-electronics.com.au/120-1-mini-plastic-gearmotor-hp-offset-3mm-d-shaft-output-extended-motor-shaft.html), which is the same gearmotor included with the [Romi Chassis Kits](https://core-electronics.com.au/search/?q=romi+chassis+kits), with a [Romi encoder](https://core-electronics.com.au/romi-encoder-pair-kit-12-cpr-3-5-18v.html) already installed. | \| [![](https://core-electronics.com.au/attachments/localcontent/0J10175_84913a4151.jpg)](https://core-electronics.com.au/attachments/localcontent/0J10175_3601358573a.jpg) \| \|---\| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J10177_60159f8063.jpg)](https://core-electronics.com.au/attachments/localcontent/0J10177_257002fcc77.jpg) \| \|---\|---\| | |---| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J10174_11047de041e.jpg)](https://core-electronics.com.au/attachments/localcontent/0J10174_38798810da4.jpg) \| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J10176_6329b72784.jpg)](https://core-electronics.com.au/attachments/localcontent/0J10176_24097eb16b3.jpg) \| \|---\|---\| | |---| The encoder has 0.1"-pitch (2.54 mm) male headers already soldered that allow it to plug into corresponding female headers on Pololu's various Romi electronics modules, including the [Romi 32U4 control board](https://core-electronics.com.au/romi-32u4-control-board.html) and the Romi [Motor Driver and Power Distribution Board](https://core-electronics.com.au/motor-driver-and-power-distribution-board-for-romi-chassis.html). | [![](https://core-electronics.com.au/attachments/localcontent/0J7356_2221847fba6.jpg)](https://core-electronics.com.au/attachments/localcontent/0J7356_366613c5f3b.jpg) | |---| | The Romi Encoder can plug directly into the Motor Driver and Power Distribution Board for Romi Chassis. | For more information on the gearmotor performance, see the [item #1520 product page](https://core-electronics.com.au/120-1-mini-plastic-gearmotor-hp-offset-3mm-d-shaft-output-extended-motor-shaft.html). For more information on how to use the Romi encoder, see the [item #3542 product page](https://core-electronics.com.au/romi-encoder-pair-kit-12-cpr-3-5-18v.html). **People often buy this product together with:** | [![Machine Hex Nut: #2-56 (25-pack)](https://core-electronics.com.au/attachments/localcontent/0J2959_4799393807.jpg)](https://core-electronics.com.au/machine-hex-nut-2-56-25-pack.html) | [Machine Hex Nut: #2-56 (25-pack)](https://core-electronics.com.au/machine-hex-nut-2-56-25-pack.html) | |---|---| | [![Machine Screw: #2-56, 1/4](https://core-electronics.com.au/attachments/localcontent/0J2948_4270cd3be0.jpg)](https://core-electronics.com.au/machine-screw-2-56-1-4-length-phillips-25-pack.html) | [Machine Screw: #2-56, 1/4" Length, Phillips (25-pack)](https://core-electronics.com.au/machine-screw-2-56-1-4-length-phillips-25-pack.html) | |---|---| | [![Aluminum Standoff: 1-1/2" Length, 2-56 Thread, M-F (4-Pack)](https://core-electronics.com.au/attachments/localcontent/0J9375_3119a5e8a1.jpg)](https://core-electronics.com.au/aluminum-standoff-1-1-2-length-2-56-thread-m-f-4-pack.html) | [Aluminum Standoff: 1-1/2" Length, 2-56 Thread, M-F (4-Pack)](https://core-electronics.com.au/aluminum-standoff-1-1-2-length-2-56-thread-m-f-4-pack.html) | |---|---| **Dimensions** | Weight: | 21 g | |---|---| **General specifications** | Shaft type: | offset 3mm D | |---|---| | Gear ratio: | 120:1 | | No-load speed @ 4.5V: | 150 rpm | | No-load current @ 4.5V: | 130 mA | | Stall current @ 4.5V: | 1250 mA | | Stall torque @ 4.5V: | 25 oz·in[1](https://core-electronics.com.au/#note1) | **Notes:** 1Note: the gearbox's built-in clutch might start slipping at a lower torque. ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/i/m/image_4109.jpg)