4-Pairs Brake Pads For-SRAM-Guide Full Series 4-Pistons Bike MTB Bicycle .
For SRAM Guide Full Series 4 Pistons. When braking, the required tension is small, avoiding the accumulation of braking heat. For : XO/E7/E9 Trail 4 Pistons. 4 Pairs Brake Pads. Color: Black (As Pictures Show).