Absolute Black Premium Shimano 110/4 bcd compatible oval chainrings are designed for a new type of Shimano cranks Dura-Ace 9100, Ultegra 8000 & 105 R7000. Superfast shifting and fantastic smoothness...
Increase your power output by analyzing your power readings. The affordable Quarq Riken AL Power Meter (GXP), with aluminum cranks, uses the latest technology to achieve this & is thanks...