Bike at Bedtime: find out all about the 'fastest ever' Giant_Bicycles Propel Advanced SL road bike that's said to be both lighter and more aero than previously cycling
The first 2023 Giant Propel aero road bikes will arrive in the UK this month so let’s take a look at the new design which is said to be lighter and stiffer than before as well as more aerodynamically efficient.
Giant’s claim that the new Propel Advanced SL is 6.21 watts more efficient than the previous version at 40km/h relates to the bike as a whole – with its new proprietary Contact SLR Aero handlebar and stem, Cadex 50 wheels and Cadex Aero tyres. On the flip side, the seat tube, chainstays and integrated seatpost have all been re-engineered to provide a smoother ride. They look far slimmer than on the previous generation Propel Advanced SL. In fact, if it wasn’t for the name on the top tube, you’d have a hard time connecting the new Propel with its predecessors. Giant says that as well as improving compliance, the skinnier back also saves weight.
Brake hoses and any cables are routed inside the bar before resurfacing in the centre. They then go into a channel on the underside of the stem – so they aren’t on show – and from there into the frame. Headset spacers are a two-part interlocking type, so they can be added or removed without the need for recabling.
The Giant Propel Advanced Pro is made from Advanced composite rather than the Advanced SL-Grade that’s used for the Propel Advanced SL, and it uses a removable seatpost rather than an integrated seatpost.
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