Adaptable lightweight and strong and with the latest Quarq technology ELSA R packs a four-pronged punch to elevate bike and rider performance. The lightweight spider houses integrated electronics a CR2032 battery LED indicator and visible ANT+™ ID. Power Balance™ captures left and right drive strokes. OmniCal™ gives you a choice of chainrings with no compromise on accuracy.
Quarq Elsa R-130BDC Road Powermeter GXP 175mm (Rings and BB Not Included) on other UK sites