# Converting to Gear Cartridge

The following sections will cover everything that team should know if they wish to convert previous iterations of a WCP Swerve X Flipped module to the new Gear Cartridge version.

## Parts Needed

{% hint style="info" %}
All available Swerve X Central Gears have been listed in the table below for teams to select. One Swerve X Central Gear and one Swerve X Column is needed per module.

Refer to the [Ratio Kits](/welcome/gearboxes/wcp-swerve-x/general-info/kit-contents/ratio-kits.md) and [Ratio Options](/welcome/gearboxes/wcp-swerve-x/general-info/ratio-options.md) pages for selecting the correct gear set.
{% endhint %}

{% hint style="info" %}
While these ratios can be run with either aluminum or steel gears, it is recommended to run them with steel gears since they will last longer.
{% endhint %}

### X1 Ratio Upgrade

<table><thead><tr><th width="157">Part Number</th><th width="408">Description </th><th>QTY</th></tr></thead><tbody><tr><td>WCP-1495</td><td>WCP Swerve X Column</td><td>1</td></tr><tr><td>WCP-1421</td><td>WCP Swerve X Central Gear (42t/28t, Steel)</td><td>1</td></tr><tr><td>WCP-0432</td><td>18t Steel Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr><tr><td>WCP-0682</td><td>18t Aluminum Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr></tbody></table>

### X2 Ratio Upgrade

<table><thead><tr><th width="157">Part Number</th><th width="408">Description </th><th>QTY</th></tr></thead><tbody><tr><td>WCP-1495</td><td>WCP Swerve X Column</td><td>1</td></tr><tr><td>WCP-1422</td><td>WCP Swerve X Central Gear (42t/30t, Steel)</td><td>1</td></tr><tr><td>WCP-1423</td><td>WCP Swerve X Central Gear (42t/30t, Aluminum)</td><td>1</td></tr><tr><td>WCP-0732</td><td>16t Steel Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr><tr><td>WCP-0681</td><td>16t Aluminum Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr></tbody></table>

### X3 Ratio Upgrade

<table><thead><tr><th width="157">Part Number</th><th width="408">Description </th><th>QTY</th></tr></thead><tbody><tr><td>WCP-1495</td><td>WCP Swerve X Column</td><td>1</td></tr><tr><td>WCP-1459</td><td>WCP Swerve X Central Gear (42t/32t, Steel)</td><td>1</td></tr><tr><td>WCP-1460</td><td>WCP Swerve X Central Gear (42t/32t, Aluminum)</td><td>1</td></tr><tr><td>WCP-0731</td><td>14t Steel Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr><tr><td>WCP-0680</td><td>14t Aluminum Spur Gear (20 DP, 3/8" Hex Bore)</td><td>1</td></tr></tbody></table>

## Hardware Changes

### Top Plate

The new Gear Cartridge configuration has an updated top plate with #8-32 taped holes that allow for teams to directly mount the encoder on-axis. The image below highlights the location of these holes. Refer to the STEP file below for the exact location of the holes.

{% file src="/files/EtRprQxoQl6Ikrr6gdZg" %}

<figure><img src="/files/EkuaRlfENsI4ea451vLX" alt="" width="563"><figcaption></figcaption></figure>

### Encoder Mount

Teams can steer away from the additional machining step by using the updated encoder mount shown below. This mount allows teams to use the already tapped #10-32 holes on the top plate.

{% file src="/files/ZANqw6PXpybhE5FJLUXf" %}

<figure><img src="/files/gEIZWhinaG9IRKb5m2YL" alt="" width="563"><figcaption></figcaption></figure>


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