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SHIMANO 160mm 180mm Brake Rotor Disc Brake Adapter Front Rear Brake Caliper Base Adapter IS 51mm Bike B Post Mount Adapter|Bicycle Brake| - AliExpress
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Mountain Bike Disc Brake Converter V Brake Rack Disc Mtb Bicycle Holder Special Frame Brake Adapter 22mm / 32mm - Bicycle Brake - AliExpress
![Anyone know of a modern disc brake frame adapter that isn't one of these shitters off of eBay? : r/bicycling Anyone know of a modern disc brake frame adapter that isn't one of these shitters off of eBay? : r/bicycling](https://preview.redd.it/lrnj7ninhfv21.jpg?width=640&crop=smart&auto=webp&s=36fa26ae9eff7ee64215990a7a7235247e9c2e33)