Sm-Ma-R160-Dd Adapter 160Mm Rear Caliper: Flat FREE shipping within Australia over AU$199.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Sm-Ma-R160-Dd Adapter 160Mm Rear Caliper: Flat FREE shipping within Australia over AU$199.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...