Original new old stock BSA items, although not used they are showing their age. Very usable items. BSA part number 67-6038 a rear brake drum securing bolt (also referenced as 37-2315 or W2315). It is used to secure the rear brake drum or sprocket to the quick detach (QD) hub on various classic British motorcycles, including A, B, and M series. Thread Type: CEI (Cycle Engineers' Institute) 3/8" x 26 TPI (Threads Per Inch) Length Under Head: 5/8" (16.2mm)
