Quick Release Steering Wheel Boss for Startech Wheel

The Optimill Startech Removable Boss provides a premium, secure, and precision-engineered upgrade for your Land Rover Defender. Designed to mount directly to your steering column, it eliminates the need for additional bosses while offering exceptional build quality and ease of use.

• Direct-to-Column Fit: No stack of adaptors or multiple bosses—this unit mounts straight to the Defender steering column.

• Premium Engineering: Manufactured in-house by Optimill and hard anodised for long-term durability and resistance to wear.

• Compact & Strong: With a depth of just 47mm, it delivers a streamlined profile without compromising strength or functionality.

• Startech Compatibility:

  • Suitable for Startech steering wheels.

  • Fits any wheel with a 74mm PCD, 6-hole M6 pattern.

  • Bolt holes positioned at 3 and 9 o’clock when viewed from the front.

• Spline Options: Available for all 36- and 48-spline Defender steering columns.

• Included Components: Supplied with an Optimill billet cap, fixing screws, and indicator-cancel pins.

• Safety Notice:

  • Features two locking pins to separate the mechanism.

  • These must NEVER be operated while driving.

  • As a removable steering product, it is the driver’s responsibility to ensure correct and secure installation before use.

• Choosing the Correct Fit: Simply count the number of splines on your Defender’s steering column and select the matching option from the dropdown menu.

Offering precision, security, and Startech-ready compatibility, the Optimill Removable Boss is the perfect steering upgrade for any Defender owner.