This S-Works model also has a seatpost with 35mm of height
adjustment, operated by a lever cleverly attached to the inside of
the handlebar drops. It's an either up or down situation, you can't
use it to adjust the height - it's designed to provide an easy way
to lower the saddle for any situations, say a very steep descent,
that provides improved control and makes it easy to chuck the bike
It's only really worth having, in my opinion, if you're
regularly riding very steep and technically demanding descents, but
personally, I'd rather have the CG-R carbon seatpost from the
Roubaix to provide a bit more seated comfort. With the dropper
post, the Diverge lacks rear-end comfort.
Thankfully, wide tyres provide plenty of cushioning when riding
rough tracks. The new Diverge has massive clearance, easily
swallowing the 38mm Specialized Trigger Pro tyres this bike came
fitted with. I've currently swapped to some Mavic Allroad wheels
with 40mm tyres and there's still plenty of clearance, and even the
650bx47mm WTB Horizon tyres presented no clearance issues.
The Diverge feels best with a 38-40mm tyre on a 700c wheelset in
my opinion, and the Trigger tyre provides decent rolling speed on
smoother tracks and road surfaces, whilst ensuring there's adequate
traction on slippery trails. They're not great mud tyres, but
unless you're trying to ride through a deep bog it's surprising
just how capable they are.