DescriptionPrecise CNC Chainring milled from 7075 T7351 billet aircraft grade AluminiumThe material we are using made by Constellium SwitzerlandOur tooth geometry is highly engineered from DIN8196 (ISO), tested and proved to be the best, we did not invent anything, we just d..
DescriptionCNC Chainring milled from 7075 T7351 Constellium Switzerland billet aircraft grade aluminum by PILO.Chainring geometry is highly engineered from DIN8196 (ISO), tested and proved to be the best. Durable and quite operation every day!C46 description:36T Narrow wide ..