> **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 # Replacement Sprocket Set for Zumo Chassis - White **Type:** Product page · **SKU:** POLOLU-3129 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia) **Page:** https://core-electronics.com.au/replacement-sprocket-set-for-zumo-chassis-white.html ([markdown](https://core-electronics.com.au/replacement-sprocket-set-for-zumo-chassis-white.html.md)) Personalize your Zumo robot by replacing their standard black sprockets with these white ones. This set includes two drive sprockets and two idler... ## Pricing - **Price:** $9.90 (inc GST) — $9.00 AUD, exc GST - **Quantity discounts:** 10+ $8.64 (exc GST) · 25+ $8.37 (exc GST) ## Availability & dispatch - Available with a lead time — expect dispatch between Aug 24 and Aug 26. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=POLOLU-3129:1` (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-3129:1.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 Pololu's replacement sprockets for the [Zumo robot](https://core-electronics.com.au/search/?q=zumo+robot) are available in [**red**](https://core-electronics.com.au/replacement-sprocket-set-for-zumo-chassis-red.html) and [**white**](https://core-electronics.com.au/replacement-sprocket-set-for-zumo-chassis-white.html) and can be used in place of the black sprockets included with the Zumo to add a bit of personalization; the red sprockets add a burst of color, and you can paint the white sprockets any color you want (or just leave them white!). | \| [![](https://core-electronics.com.au/attachments/localcontent/0J7932_11849c2881f.jpg)](https://core-electronics.com.au/attachments/localcontent/0J7932_52568b9df63.jpg) \| \|---\| \| Zumo 32U4 robot with black sprockets. \| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J7933_1312676806a.jpg)](https://core-electronics.com.au/attachments/localcontent/0J7933_52898cba63d.jpg) \| \|---\|---\| \| Zumo 32U4 robot with red sprockets. \| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J7934_11887fc10e7.jpg)](https://core-electronics.com.au/attachments/localcontent/0J7934_519223d279c.jpg) \| \|---\|---\| \| Zumo 32U4 robot with white sprockets. \| | |---| This set consists of two drive sprockets and two idler sprockets that work with the tracks and sprocket mounting hardware already included with the Zumo chassis, Zumo 32U4 robots, and Zumo robots for Arduino (so this set does not include tracks or mounting hardware). For those looking to make their own tracked robot chassis, Pololu also have complete track sets available with these sprockets and either 22-tooth or 30-tooth silicone tracks: | [![](https://core-electronics.com.au/attachments/localcontent/0J7920_11537c18262.jpg)](https://core-electronics.com.au/attachments/localcontent/0J7920_262765018d4.jpg) | |---| | Pololu 30T Track Set – Black. | - [22T tracks with black sprockets](https://core-electronics.com.au/pololu-22t-track-set-black.html) - [22T tracks with red sprockets](https://core-electronics.com.au/pololu-22t-track-set-red.html) - [22T tracks with white sprockets](https://core-electronics.com.au/pololu-22t-track-set-white.html) - [30T tracks with black sprockets](https://core-electronics.com.au/pololu-30t-track-set-black.html) - [30T tracks with red sprockets](https://core-electronics.com.au/pololu-30t-track-set-red.html) - [30T tracks with white sprockets](https://core-electronics.com.au/pololu-30t-track-set-white.html) **People often buy this product together with:** | [![Zumo 32U4 Robot Kit (No Motors)](https://core-electronics.com.au/attachments/localcontent/0J10896_46542b73fd.jpg)](https://core-electronics.com.au/pololu-zumo-32u4-robot-kit-no-motors.html) | [Zumo 32U4 Robot Kit (No Motors)](https://core-electronics.com.au/pololu-zumo-32u4-robot-kit-no-motors.html) | |---|---| | [![Zumo 32U4 Robot (Assembled with 50:1 HP Motors)](https://core-electronics.com.au/attachments/localcontent/0J10897_41728d6729.jpg)](https://core-electronics.com.au/pololu-zumo-32u4-robot-assembled-with-50-1-hp-motors.html) | [Zumo 32U4 Robot (Assembled with 50:1 HP Motors)](https://core-electronics.com.au/pololu-zumo-32u4-robot-assembled-with-50-1-hp-motors.html) | |---|---| | [![Zumo 32U4 Robot (Assembled with 75:1 HP Motors)](https://core-electronics.com.au/attachments/localcontent/0J10897_41728d6729.jpg)](https://core-electronics.com.au/pololu-zumo-32u4-robot-assembled-with-75-1-hp-motors.html) | [Zumo 32U4 Robot (Assembled with 75:1 HP Motors)](https://core-electronics.com.au/pololu-zumo-32u4-robot-assembled-with-75-1-hp-motors.html) | |---|---| **General specifications** | Color: | white | |---|---| **File downloads** - **Dimension diagram of the Replacement Sprocket Set for Zumo Chassis (228k pdf)** ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/i/m/image_4451.jpg)