Shimano Dura Ace SRM Powermeter 175mm. Serviced 18 months ago so probably due one over winter, price lowered to reflect, included chainrings are 52/36, 53/39 and a 34 inner. The item "Shimano Dura Ace SRM Powermeter 175mm" is in sale since Friday, August 6, 2021. This item is in the category "Sporting Goods\Cycling\Bicycle Electronics\Power Meters". The seller is "phil-j-1991" and is located in Preston. This item can be shipped to United Kingdom.