KCNC K6 Oval Chainrings Color:Black valve core tool

valve core tool

Ø12mmx142mm(Rear) Shimano E-Thru/Fox racing

No more rumbling bearings during the 6 months of winter

Double sealed and shielded fitment 68/73mm english threads

• Built to Last – We’re so confident in the quality of our bikes

KCNC K6 Oval Chainrings Color:Black valve core toolOval chainrings from KCNC for 110bcd 5 arm cranks. Some call them a symetric, some call them elliptical but they are not round. All are 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: 10 on the K6 Cobweb pattern rings, with a bi radial symmetry offset