The Tour de France showcases the pinnacle of cycling innovation, where every gram and millimeter matters. This year, the race witnessed a myriad of 'marginal gains'—small but significant improvements that can make a substantial difference. Here's a deep dive into some of the most intriguing and comically minuscule upgrades, as observed by the author during the race.
The Art of the Bolt Tape
One of the most visible and cost-effective modifications is the strategic use of tape. Teams like Visma-Lease a Bike go to great lengths, taping over every bolt and void on the bike. This simple act not only reduces drag but also showcases the meticulous attention to detail that goes into each bike. The author marvels at the ingenuity, wondering what other small improvements could be achieved with such a simple technique.
Aerodynamic Bottom Bracket
The UAE Team Emirates took a bold step by replacing the standard bottom bracket cups with a smooth, non-drive side threaded unit from Bikone. This modification, accessible only to team leaders, promises wattage gains and a 17g weight reduction. The author questions the practical implications of such a specialized upgrade, wondering if it's more about prestige than performance.
Jockey Wheel Bolts and Derailleur Cages
The shift towards lighter, more aerodynamic components is evident in the jockey wheel bolts and derailleur cages. Teams are swapping out stock bolts for aluminum ones, and derailleur cages are being trimmed to reduce weight. The author notes that these changes are part of a broader trend towards UCI weight limits, indicating a shift from pure aero gains to a more balanced approach.
Cognitive Load Reduction
Lidl-Trek's use of colored tape on the team time trial bikes is a fascinating example of addressing cognitive load. By using different colors to indicate position, the riders can focus on the task at hand without unnecessary distractions. The author finds this a clever application of psychology, suggesting that even small changes can have a significant impact on performance.
DIY Aero Derailleur
Black electrical tape is a versatile tool for creating lightweight aero modifications. The author spotted a simple yet effective hack at the Ineos paddock, where tape was used to cover the lower portions of a Shimano derailleur cage. While the weight savings are minimal, the cost-effectiveness makes it a worthwhile endeavor.
Superlight Bottle Cages
The Elite Leggero Carbon bottle cages are a testament to the pursuit of minimal weight. Weighing in at 13g each, these cages offer a 27g saving per pair. The author highlights the importance of such small improvements, especially when they are adopted by top riders like Tadej Pogačar.
Aftermarket Thru-Axles
The UAE team's switch to lightweight aluminum thru-axles from CarbonTi is another subtle yet impactful change. While carbon thru-axles exist, the author questions their widespread adoption, given the limited visibility of the thru-axle shaft. The 31g weight saving on the rear axle is a significant achievement.
Lightweight Disc Rotor Lockrings
Lidl-Trek's fancy hubs feature lightweight disc rotor lockrings, machined from aerospace-grade aluminum. The 12.4g weight saving per pair is impressive, but the author suspects that the primary motivation might be aesthetic or sponsor-related.
Old-School Garmin
Jonas Vingegaard's choice of the older Garmin Edge 540 computer on his Cervélo P5 time-trial bike is an intriguing decision. The author speculates that the smaller size might be more practical for time trials, where power and distance are critical.
Aftermarket Derailleur Hanger
Derailleur hangers, often overlooked, have seen various upgrades over the years. The author notes that Pogačar frequently uses different colored hangers, suggesting a focus on customization and aesthetics rather than performance gains.
Aerodynamic Saddle
The Prologo Choice saddle, with its side vents and €490 price tag, is a bold aero innovation. The author questions the practical benefits of such a specialized saddle, wondering if it's more about making a statement than actual performance gains.
In conclusion, the Tour de France is a showcase of extreme marginal gains, where every small improvement adds up to significant performance enhancements. The author's observations highlight the creativity and ingenuity of performance engineers, as well as the endless pursuit of perfection by team mechanics. These seemingly minuscule upgrades are a testament to the sport's relentless drive for excellence.
