Details are still scarce on the new Trek Domane that we first spotted Fabian Cancellara riding at Strade Bianche in March, but, after some presumable innocent Facebook posts by Trek dealers and after seeing the bike in the flesh at the Tour of Flanders, we are confident in predicting that the bike will have some sort of adjustable rear suspension.
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The main point of interest on the new Domane is the seat tube, which looks to be split in half down its length, with the rear half seeming to support the rider’s weight, while the front looks to be there for improved aerodynamics.
However, painted down the side of the seat tube is a scale of some sort, and there is also some sort of mechanism in between the two halves of the seat tube, which looks like it could be slid up and down. When the rear wheel is removed, there is also a small bolt on the back side of the seat tube, around which are the words “loosen to slide”.
It would make sense if this was part of a new adjustable IsoSpeed decoupler system, which could be altered to give different levels of compliance based on the roughness of the road surface and rider preference.
At the front the bike looks to have a Isospeed decoupler built into the head tube, something which was not seen on the old bike, while the down tube and seatstays also seem to be slightly bowed, presumably to increase compliance.
These suspicions were confirmed from seeing Facebook posts by a couple of Trek dealers, which showed the “new Domane SLR” with caption telling of the “adjustable rear IsoSpeed” and “new IsoSpeed front”. The posts also show a disc brake version of the bike, which Cancellara will not be riding in his final season, with front and rear thru axles.
Trek is not yet willing to give any firm details on the unreleased bike, but with it already receiving considerable attention during the cobbled Classics, we’re sure a full release can’t be far away.