Size Free pickup in our shop(s) Ø310 mm (12") × 3.2 mm, 27 mm bore Ø464 mm (18") × 4.5 mm, 27 mm bore Ø513 mm (20") × 4.5 mm, 27 mm bore Ø616 mm (24") × 4.5 mm, 27 mm bore Ø561 mm (22") × 4.5 mm, 27 mm bore Ø679 mm (26") × 4.5 mm, 27 mm bore Ø513 mm (20") × 3.5 mm, 27 mm bore Ø410 mm (16") × 3.2 mm, 27 mm bore Ø350 mm (14") × 3.2 mm, 27 mm bore Ø450 mm (18") × 3.2 mm, 27 mm bore Ø510 mm (20") × 3.5 mm, 27 mm bore Free pickup in our shop(s)