Several new Emonda models will come with revamped Bontrager Aeolus aero carbon clincher wheels, too (and you can read about those in more detail here). Just like that Madone cockpit, though, the previous Emonda’s once-exposed cabling up front has been replaced with a fully hidden setup in the interest of more cleanly slicing through the air, with derailleur and brake lines now entering the frame at the head tube, immediately in front of the stem. Unlike the integrated setup on the full-aero Madone SLR, this is a true one-piece design with no angle adjustment so as to save weight. Upper-end Emonda SLR models also get a new Bontrager Aeolus RSL integrated carbon fiber stem and handlebar, the latter with notably flattened tops. Making it more aerodynamic while also keeping it light and stiff is the tricky part. It’s one thing to just make a frame more aerodynamic.
The no-cut integrated seatmast remains round, as does the telescoping seatmast head. However, even moderately fit riders are still often going fast enough on most climbs that aerodynamic efficiency can play a measurable role, and given the “free speed” that the existing Emonda left on the table, Trek saw fit to make use of that potential with the latest redesign.Īs Giant recently did with its TCR range of light-and-stiff road racing bikes, and Scott before them with the latest Addict RC, the new 2021 Emonda now sports truncated-airfoil tube profiles on the down tube, head tube, seat tube, seatstays, and fork blades. It has long been the prevailing mainstream sentiment that aerodynamic efficiency is only important when you’re moving fast - and given the non-linear way aerodynamic drag holds a rider back with increasing speed, there’s some truth to that.
Highs: Low frame weight, excellent chassis stiffness, superb handling, intelligently designed internal routing system, traditional shape, no more BB90.Weight: 698 g (claimed, unpainted 56 cm frame only) 365 g (claimed, unpainted fork only) 6.81 kg (15.01lb), complete 52 cm Emonda SLR 9 eTap model as tested, without pedals.Frame features: Mild aero tube shaping, OCLV 800 carbon fiber construction, internal cable routing, T47 threaded bottom bracket.What it is: The latest iteration of Trek’s premier climbing-specific road bike.
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