hydraulic or mechanical brakes

they deliver fast

This OSPW System has handbuilt CeramicSpeed Bearings installed in each pulley and comes with a 4 year warranty as standard and a lifetime warranty when choosing coated or SLT bearings

and safety

8 mm instead of 1

shimano dura ace skiftegreb bremsegreb st r9180 r tt triatlon productid_8486 hydraulic or mechanical brakesThe Shimano DURA ACE ST R9180 Di2 shift and brake levers are designed for time trial and triathlon bikesequipped with hydraulic disc brakes. Combining Shimano's advanced Di2 electronic shifting with an aerodynamic design, they deliver fast, intuitive gear changes while allowing riders to maintain a secure grip in high speed racing situations. The integrated switch design enables effortless shifting without changing hand position, while compatibility