TT / Triathlon Disc Brake Dual Control Lever

TT / Triathlon Disc Brake Dual Control Lever

DURA-ACE ST-R9180

These TT / Triathlon Hydraulic Disc Brake levers have only one E-tube port each and a set of them weighs about 200g, according to Shimano.

They can only be used with Synchronized Shift, since they only have one button each. You generally set one up to shift the RD to an easier gear and the other to shift to a harder gear.

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