SHIMANO TIAGRA 4700 SERIES brake caliper Style:Rear the 3:1 drain ratio means

the 3:1 drain ratio means it uses up a gallon of wastewater for every 3 gallons of pure water you get

it also goes elegant by providing a smart economy mode feature

With three of the standard 90mm paper coffee cups in the kit

Standard 2 Hours

It extends HDMI audio/video signals to synchronous output video display is as fluent as a direct connection

SHIMANO TIAGRA 4700 SERIES brake caliper Style:Rear the 3:1 drain ratio meansThe SHIMANO TIAGRA Dual Pivot brake caliper provides consistent all around control. Compatible with 28mm tires, the caliper uses a thrust bearing pivot to reduce friction while new, toe in adjustable brake shoes improve braking. Consistent all around control Exceptional braking power modulation with Linear brake operation One thrust bearing of pivot reduces caliper friction Adjustable toe in brake shoes Better performance with Alloy rim under wet