> **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 # Pololu Wheel 40×7mm Pair - Red **Type:** Product page · **SKU:** POLOLU-1453 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia) **Page:** https://core-electronics.com.au/pololu-wheel-40-7mm-pair-red.html ([markdown](https://core-electronics.com.au/pololu-wheel-40-7mm-pair-red.html.md)) These red plastic wheels have silicone tires and measure 40 mm (1.57") in diameter, and they press-fit onto the 3mm D shafts on many of our motors,... ## Pricing - **Price:** $9.25 (inc GST) — $8.41 AUD, exc GST - **Quantity discounts:** 10+ $8.07 (exc GST) · 25+ $7.82 (exc GST) ## Availability & dispatch - In stock, ships same business day if ordered before 2PM (Australia/Sydney). - We can dispatch 1 today, and up to 350 more in 4–7 days. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=POLOLU-1453:1` (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-1453:1.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 These wheels are great for robotics, custom RC vehicles, or any other project you need to get rolling. They measure **40 mm (1.57")** in diameter and are designed to press-fit securely onto D output shafts with a diameter of 3 mm. They are compatible with many of Pololu's gearmotors, including Pololu's [micro metal gearmotors](https://core-electronics.com.au/components/motors/metal-gearmotors/micro.html) and Pololu's [mini plastic gearmotors](https://core-electronics.com.au/search/?q=mini+plastic+gearmotor). The included silicone tires are also [available separately](https://core-electronics.com.au/silicone-tire-pair-for-40-7mm-pololu-wheels.html). | \| [ ![](https://core-electronics.com.au/attachments/localcontent/0J6309_1321239e28b.jpg) ](https://core-electronics.com.au/attachments/localcontent/0J6309_37045b1c0d3.jpg) \| \|---\| \| Pololu 40×7mm wheel on a Micro Metal Gearmotor. \| | \| [ ![](https://core-electronics.com.au/attachments/localcontent/0J6307_17122723e2c.jpg) ](https://core-electronics.com.au/attachments/localcontent/0J6307_31577d06413.jpg) \| \|---\|---\| \| Pololu 40×7mm wheels. \| | |---| **Details for item #1453** | [ ![](https://core-electronics.com.au/attachments/localcontent/0J10392_295479a3957.jpg) ](https://core-electronics.com.au/attachments/localcontent/0J10392_152850ae455.jpg) | |---| | Parts included with Pololu Wheel 40×7mm Pair – Red. | This is the **red** version of Pololu's 40×7mm wheel pair. These same-sized wheels are also available in [black](https://core-electronics.com.au/pololu-wheel-40-7mm-pair-black.html) or [white](https://core-electronics.com.au/pololu-wheel-40-7mm-pair-white.html). **Dimensions** | Size: | 40 x 7 mm | |---|---| | Weight: | 0.15 oz[1](https://core-electronics.com.au/#note1) | | Shaft diameter: | 3 mm[2](https://core-electronics.com.au/#note2) | **General specifications** | Color: | red | |---|---| **Notes:** 1 Per wheel, including tire. 2 D-shaped hole for press fit onto Pololu Micro Metal Gearmotors and Mini Plastic Gearmotors.**File downloads** - **[Dimension diagrams for Pololu Wheels](https://core-electronics.com.au/attachments/localcontent/pololu-wheel-dimensions_18295dc12c3.pdf) (2MB pdf)** This file contains dimension diagrams for the 32×7mm, 40×7mm, 60×8mm, 70×8mm, 80×10mm, and 90×10mm Pololu Wheels with 3mm D-hubs as well as the 80×10mm Pololu Multi-Hub Wheels. - **[3D models of Pololu Wheels 40×7mm](https://core-electronics.com.au/attachments/localcontent/pololu-wheel-40%C3%83%E2%80%947mm_17706125e6a.zip) (2MB zip)** This file contains 3D models (in the step file format) of the Pololu Wheels 40×7mm. ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/i/m/image_11939.jpg)