It was probably only a matter of time before narrow/wide chainrings made their way to the pavement. Falco Bike, who you may remember more for their Tron-inspired V-wing aero bike, has gone ahead and skipped right over standard road bikes in favor of triathlon.
Their new chainring mounts to the asymmetric 110BCD bolt pattern of the latest Shimano Dura-Ace and Ultregra, as well as the compatible SRM power meter crankset. The chainring is CNC’d from 7075-T6 alloy and comes in at just 147g for a 54-tooth, the only size offered. According to the press release, tooth profiles are made to offer just a bit of chain retention since, in the absence of shifting, dropped chains during triathlon are pretty rare. Instead, the profiles are focused on smooth, quiet performance…and saving watts.
They claim a 1.5-2.5 watt savings over an Ironman distance ride, netting you about 35 extra seconds on the run. If the course is hilly, it can be combined with a 32-tooth
little ring cassette cog just in case, though we’re guessing that’d make for some big jumps between gears compared to a standard road cassette. Retail will be $99, we’re waiting to hear back on availability.