Shimano tiagra 4700 10 speed band on front mechdesigned with road riders in mind, the tiagra 10 speed front mech benefits from an extra wide pivot link to improve stiffness whilst reducing flexibility for exceptional shifting performance'. '.strtoupper('t')he lever arm offers precise and smooth shifting across a 16 teeth capacity'. '.strtoupper('t')he ideal component that offers professional features, without the professional price tag.featuresuse roadmaterial aluminiumcage material platinum steelspeed 10 speedcompatible chain hg x chain cn hg500maximum capacity of 16 teeth, for outer rings up to 53 teethpart no fd 4700 fa 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.