The Michram Industries Caroline Buchanan 68 Series signature rim with OWT (Optimal Weave Technology) is the newest and strongest rim yet. Made from a mixture of the highest strength standard modulus fibers available. The rims are then finished with multiple layers of hand woven T800 carbon fiber and bound together with a 255 degree high tg resin to give them Optimal strength and stiffness compared with other rims on the market. They also come with a 5 year Warranty for the original purchaser. 

Michram Industries/Caroline Buchanan 68 Series Signature Rim Set