MORE OR LESS OPTIONS: GIANT

Sitting at the top of the Propel Advanced family is the SL 0 Disc (£8,999), with Dura-Ace Di2 shifting, disc brakes and Giant’s deep-rim SLR 0 Aero Disc WheelSystem. The Propel Advanced SLR (£1,599) offers an aluminium frame, a Shimano 105 groupset and Giant’s own P-A2 Aero wheelset.