IMPORTANT SAFETY WARNING - Shimano rear wheel roller brakes
Shimano has identified a potential safety issue involving BR-C3000-R, BR-C3010-R and the BR-C6000-R rear wheel roller brakes, which were fitted to bicycles sold to consumers after 1 July 2015. Shimano has discovered that some of the affected rear wheel roller brakes can suddenly lose their braking power even when assembled correctly.