KCNC K5 Rectangular Road Rings Type:53T 110bcd Black Over two years of research

Over two years of research and development has gone into these performance driven grips

and now with 1150 lumens the Joystick enables you to spot the terrain changes in the distance and the tight corners at your wheel

Rise:+/- 5mm

The down tube  is still a big stiff 45mm but has been subtly manipulated to increase weld area and improve stiffness

4 bolts for 4-arm spiders

KCNC K5 Rectangular Road Rings Type:53T 110bcd Black Over two years of researchThey call them "rectangular" chainrings, but they are an extreme a symetric ring!! They are certainly not round!! Designed to reduce the effect of the "dead spot" as the crank arms come round top dead centre (12 and 6 o'clock). They can increase power, they can increase efficiency, they can make you pedal smoother! KCNC use what they call an ovality ratio of 1. 225 on the K5 pattern rings, with a bi radial symmetry offset by 88. 3 degrees. 110bcd 39T