The original Trek Domane was possibly the most significant game-changing endurance bike, with its introduction of the unique surface-smoothing IsoSpeed tech.
The more affordable Domane AL frame extends the Domane ethos to a range of bikes that are mainly road-focused, but with enough substance to manage regular departures from the tarmac
If you’re interested in bikepacking, look at the Trek Checkpoint, but if you think larger road bike tyres are the way ahead, the Domane AL has a lot to offer.
Trek Domane AL 4 Disc frame
Every Domane AL in the range uses an identical 100 Series Alpha Aluminium frame, which is hydroformed to create those carbon fibre Domane-like lines.
The top tube and down tube diameters flare in size before joining the head tube. While the