Shimano Br-R451 Rear Brake Road Long-Drop 57mm

Features
Super SLR dual pivot design keeps operating friction to a minimum, improving braking performance.
Must be used in conjunction with ST-4600, ST-4603, ST-5700, ST-5703, ST-6700, or ST-7900 STIs for correct leverage ratio.
Enhanced brake arch proportions provide a quicker linear response and increased power.

Specifications
57 mm drop.
Lightweight aluminium caliper design with tough anodised finish.
Toe-in adjustable brake shoes for perfect pad alignment.
Durable quick release for fast and easy wheel removal.
Front caliper supplied with 10.5 / 12.5 / 18 / and 27 mm sunken nut.
Rear caliper supplied with 10.5 mm sunken nut.

Mfr Claimed Weight
TBC