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Slimline Boss

As low as £75.00 £62.50

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This item is currently in high demand and may have a delayed dispatch. You can still place your order.

Optimill Slimline Boss

This is a fixed, non-removable boss and should not be mistaken for our Quick Release Boss. It is also not compatible with the Swivel Lock system. Our standard slimline boss follows the Momo bolt pattern, using M5 screws on a 70mm PCD, with alignment holes positioned at 12 o’clock and 6 o’clock when viewed from the front.

At just 32mm deep, it provides a noticeably different driving feel by offering significantly more space compared to most other bosses. The shallow depth also allows you to reach the indicators easily while maintaining your grip on the steering wheel.

Machined from a single billet of solid aluminium and finished with a black anodised coating, the 48/36-spline version is also compatible with 2015 models.

Please note: due to the extremely slim design, the Momo horn button will no longer fit. A billet aluminium Optimill cap is included instead.

Each boss is supplied with screws and indicator-cancel pins; however, these pins are not required on vehicles equipped with a steering angle sensor.

To ensure you select the correct boss for your vehicle, please count the number of splines and choose the corresponding option from the dropdown menu.

Details

Slimline Steering Wheel Bosses for Land Rover Defender Optimill Slimline Steering Bosses for Momo and Startech steering wheels are fixed bosses, distinct from our Quick Release options. Designed to provide a more spacious and comfortable driving position, they offer a noticeable improvement over standard-size steering wheel bosses. Each unit is precision-engineered from billet aluminium, finished with a black anodised coating, and available in either 36- or 48-spline variants. With an ultra-slim 32mm depth, they enhance cabin space while maintaining OEM-level functionality. For correct fitment, simply count the number of splines on your Defender’s steering column before placing your order. Looking for added security for your Land Rover? Explore our full range of Security Products, including Momo, Startech, and Moto Lita Quick Release Steering Wheel Bosses. For even greater protection, pair your Quick Release kit with a Swivel Lock—fitted after removing the steering wheel—to help prevent your Defender from being driven away.

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