By incorporating Norglide composite bearing technology into a super-lightweight design, AER offers more than 50% weight savings over comparable models, designed to be the ultimate upgrade for cyclists with an eye on weight
A revolution in bearing technology, the X2 material sandwiches an aluminum base between a layer of low-friction PTFE tape and an elastomeric rubber backing material yielding a composite bearing that weighs scant 1.5g
Top assemblies include star nut and top cap
USE 110-Series lower assemblies for bottom applications
