SPD PRO Banjo Fitting AN10  The SPD PRO Banjo is a completely new design and take on today's banjo design. With its head that has an internal socket it builds only 3mm above the banjo and has more holes than a traditional banjo making the flow in this superior to the competition! Specifications : Thickness Banjo: 25mm Banjo outer diameter:  38mm Bolt Head:  Hex Connection Banjobolt:   AN10  Connection Banjo foot:   AN10  Material O-ring:  Viton Included: 3 O-rings 1st Banjo bolt 1st Banjo