The SM - MA90 - R180 - PS adapter is a must - have for 180mm rear post - mount calipers. It offers high - quality performance and a perfect fit for your bike's braking system.

Using this Shimano disc brake mount adapter is easy. First, make sure your bike's caliper is a 180mm rear post - mount type. Then, attach the adapter to the caliper following the standard installation steps. When you're done, check if it's securely in place. For maintenance, regularly clean the adapter to prevent dirt buildup. Also, check for any signs of wear and tear. If you notice any damage, replace the adapter right away. Avoid using it in extremely harsh conditions to extend its lifespan.