The B29MM is a standard Moto-Lita 9-bolt boss, available in polished or black finish. This includes a slip ring. This is for the later Mini Moke vehicles 2021 to 2025 Expertly machined in the UK from solid billet aluminium for uncompromising quality and strength. Hand broached for a perfect fit. Please go to Accessories to choose the correct centre for your wheel and/or boss. If the horn is in the centre of the wheel, choose a horn button option. If the horn is on a stalk or to the side of the wheel choose a cap option.