j guillem formentor disc shimano ultegraPRE ORDER ONLY. Get in touch for the most up to date ETA. One glance at this frame tells you it means business. Seeking to create the perfect blend of rigidity, stability, comfort and power, Jan has been uncompromising in both this frames design and construction. The Formentor combines aero optimised, hydro formed tubing and an aggressive racing geometry frame set, to produce a no compromise, race bred machine that transfers every joule of your energy