MRP Adaptor BB To ISCG-05 Regular price $29.95 Quantity - + Fast Free Shipping Over $100 Expected Ship Date: Mon 01 December 3% Cashback As Store Credit Buy now 0 Details MRP Adaptor BB To ISCG-05. Adaptor backplate that allows an ISCG-05 guide to be mounted on a bike with a traditional threaded bottom bracket.