Shimano dura ace 9010 road brake caliperlong fast descents demand confidence dura ace brakes deliver with a new symmetrical dual pivot design and twin bearings reducing pivot friction and improving efficiency and controllability featuresslr ev brand new slr with 2 axle symmetric brake caliperfront direct fork mountrear direct chainstay mount11mm lower profile caliper design improves aerodynamic form on front caliperweight 157g front 150g rearplease note the rear caliper is designe