The steadfast Riken features durable, integrated electronics, a CR2032 battery and clearance for oversize bottom brackets. An LED indicator and visible ANT+ ID streamline installation and operation. OmniCal means your choice of chainrings and no compromise on accuracy. Available in lengths from 170-175mm with 110BCD, Riken can take you to the race and across the line in first place.
170 mm, 172.5 mm, 175 mm
110 bcd, 130 bcd