DBM hydraulic caliper disc brake 

DBM hydraulic caliper disc brake is a kind of caliper disc brake, it is driven by oil pressure. It has two types, right "R" and left "L". So when you order this product, please indicate which type you need in advance. DBM10R, DBM20R means the oil source is input through right side, DBM10L, DBM20L means the oil source is input through left side. 

This kind of hydraulic disc brake is popular matching with BST hydraulic booster, they are usually used in oil box, like this:

Remark: It is better to use standard braking oil DOT3, DOT4 or above.