Shimano RT-MT800 Center Lock Rotor Seatposts 4 mm longer axle available

4 mm longer axle available

Original Butt’r isn’t just for cyclists

380g for 700x25 size

Locking hardware for safety and security

The handbuilt OSPW System has two spring tension settings

Shimano RT-MT800 Center Lock Rotor Seatposts 4 mm longer axle availableWe know that disc brakes are all that and a bag of chips thanks to their reliable all weather braking performance, and the RT MT800 Centerlock Disc Rotor features new technology to amp that performance up a notch. Shimano's Freeza technology means this rotor is able to cope with sustained braking and higher temperatures associated with road cycling. That advanced heat sync design reduces brake fade, and installing and removing the rotors is quick and