Shimano's SMCD Modular Chain Device: a bash solution for 2-bolt ISCG-05 frames
Stone Bike ISCG ISCG05 BB Adapter Bottom Bracket Chain Guide Plate Adaptor Conversion Fit MRP with Screws Bicycle Parts|Bicycle Chain| - AliExpress
Chain Guide BB Adapter Fit DH Bike Chainstay ISCG 05 03 P.C.D. Ø73mm Ø59.2mm MTB | eBay
Mtb Bike Chain Guide Adaptor Bb Mount Adapter For Iscg Or Iscg05 To E-type Conversion Seat Bottom Bracket Fit Mrp With Screws - Bicycle Chains - AliExpress