Uploaded December 2025 | Updated September 2026, 2 weeks ago
We investigate some bold performance claims about a new Wilier Filante SLR ID2 race bike in the pro end of the cycling world. The video questions the advertised numbers in the white paper for this aero bike and its stiffness characteristics, comparing its stats to other professional bikes. We have the opportunity to question the bike's designer Claudio about the claims, how they were measured and what it all means. This deep dive review also questions the quality of every aspect and draws comparisons to other pro bikes in the niche.
The full length interview with Claudio is here: youtu.be/zaodAtVVkF8
Chapters
00:00 The Claims and the story so far
00:52 NACA and Kamtail aero profiles - The Aerokit
02:13 Interview with Claudio
19:03 Speculation about the competition (Cervelo S5, Specialized SL8, Cannondale SystemSix)
20:14 The Factor ONE launch
21:05 Wilier Filante Quality Check & Weigh in
23:04 Collecting my thoughts on the bike
28:45 Comparing with Pinarello Dogma F, Look 795 Blade.
33:19 Everything weighed
We investigate some bold performance claims about a new Wilier Filante SLR ID2 race bike in the pro end of the cycling world. The video questions the advertised numbers in the white paper for this aero bike and its stiffness characteristics, comparing its stats to other professional bikes. We have the opportunity to question the bike's designer Claudio about the claims, how they were measured and what it all means. This deep dive review also questions the quality of every aspect and draws comparisons to other pro bikes in the niche.
The full length interview with Claudio is here: youtu.be/zaodAtVVkF8
Chapters
00:00 The Claims and the story so far
00:52 NACA and Kamtail aero profiles - The Aerokit
02:13 Interview with Claudio
19:03 Speculation about the competition (Cervelo S5, Specialized SL8, Cannondale SystemSix)
20:14 The Factor ONE launch
21:05 Wilier Filante Quality Check & Weigh in
23:04 Collecting my thoughts on the bike
28:45 Comparing with Pinarello Dogma F, Look 795 Blade.
33:19 Everything weighed
