That chainring is certainly an attention-getter. The bike was unveiled at the Bespoked Bristol 2013 show, but so far it looks like it will remain an specialty item and not go into wider production.

While the Specialized Shiv is really quite old in bike terms – it was released in back in 2019 – time trial bikes don't turn over at quite the same pace as road bikes. Also, as Evenepoel keeps ...

The bike doesn't change shape, the bike chain ring mod allows riders to change the pedal stroke, thereby activating different muscles.