Parts › Swinging Arm Bush for Square Swinging Arm M19/A101 Image 1 of 2 Image 2 of 2 Swinging Arm Bush for Square Swinging Arm M19/A101 £17.50 Swinging arm bush for square swinging arm 5/8ths spindle. Greeves part no. M19/A101 Quantity: Add To Cart Added! Swinging arm bush for square swinging arm 5/8ths spindle. Greeves part no. M19/A101