SHIMANO ULTEGRA BR-R8170 FLAT MOUNT FRONT DISC BRAKE CALIPER Giant-kids 2-bolt rocker head with micro

2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment

Successor model of L03A

Model: PD-M820

Machined from premium 7075-T6 aluminum with a slick anodized black finish

SHIMANO ULTEGRA BR-R8170 FLAT MOUNT FRONT DISC BRAKE CALIPER Giant-kids 2-bolt rocker head with microGreat speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance focused approach. Shimano's new 12 speed road groupset delivers unparalleled control and comfort anytime, anywhere whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from