The new Giant Propel Disc for Sunweb’s Michael MatthewsBen Delaney / Immediate Media
Giant isn’t yet talking about the new bike, but it’s pretty clear what it isBen Delaney / Immediate Media
See any wires or hydraulic lines? Neither does the windBen Delaney / Immediate Media
Matthews was just setting up his bike Thursday, with a ride on bare bars to dial in the lever position. Note the Di2 junction box in the bar endBen Delaney / Immediate Media
It appears the top of the stem comes off for access to routing shift and brake linesBen Delaney / Immediate Media
This massive stem on Matthews’ bike is alloy. It could still be in prototype formBen Delaney / Immediate Media
While the frame is branded and looking to be production-level, the stem and handlebar reamin blankBen Delaney / Immediate Media
Slam that stemBen Delaney / Immediate Media
The head tube looks wider than that of the current PropelBen Delaney / Immediate Media
Shimano’s Di2 sprint shifter clips onto the handlebars, and can be wired into the shifter or a junction boxBen Delaney / Immediate Media
Thru-axles with Allen bolts make for a clean look, but perhaps not the fastest wheel changeBen Delaney / Immediate Media
Giant was one of the very first brands to use an integrated seatmast with the TCRBen Delaney / Immediate Media
Matthews’ bike has Di2, but it looks like the Propel Disc could handle mechanical systems, tooBen Delaney / Immediate Media
Removing rim-brake calipers opens up frame designBen Delaney / Immediate Media