Wilier Filante SL 105 Di2 Bike w/Alloy Wheels
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Wilier Filante SL 105 Di2 Bike w/Alloy Wheels
Wilier Filante SL 105 Di2 Bike w/Alloy Wheels Info
Wilier Triestina has been building race bicycles in the Veneto region of Italy since 1906. Over that time, the brand has accumulated a racing legacy that runs from early Giro d'Italia victories to contemporary World Tour competition. The Wilier Filante SL 105 Di2 Bike w/Alloy Wheels sits near the base of the Filante line, but it draws its character directly from the top: the Filante SLR, Wilier's high-end aero race machine used by professional teams at the sport's highest level. The SL inherits the SLR's tube shapes, aero geometry, and fully integrated cockpit philosophy — adjusted with a different carbon lamination that makes the ride less extreme and the price more accessible.
That carbon is the central trade-off. Where the SLR uses Wilier's highest-modulus layup, the Filante SL uses a Carbon Monocoque NHU MOD+ compound with high-impact strength characteristics. The difference in frame weight is roughly 150 grams for a comparable size — a modest penalty that brings a meaningful benefit: the SL is noticeably more forgiving on rough roads and during long efforts. The monocoque construction remains, the aero tube profiles remain, and the geometry is the same. You're getting the Filante's racing stance and wind-cheating silhouette with a frame tuned toward broader usability rather than outright stiffness.
The cockpit integration is one of the things that distinguishes a Filante from most bikes at this price. Wilier routes all cables fully through the handlebar and into the frame through a proprietary superthin upper headset bearing — a design they own and supply only through authorized dealers. The result is a front end with no exposed cables, no housings breaking the lines of the frame, and a genuinely clean aerodynamic profile. The Z-Bar Integrated Carbon handlebar handles all of this without a visible trace of the cables running beneath it. It is not a cosmetic shortcut; it is the same cable routing architecture Wilier uses on the Filante SLR.
The drivetrain is Shimano 105 Di2 throughout — R7150 front and rear derailleurs, R7170 hydraulic disc brakes and shifters, R7100 crank with 50/34 chainrings, and a 12-speed 11-34 cassette. Electronic shifting at this price point is worth noting: the precision and low-maintenance character of Di2 shifting is available here without stepping up to Ultegra or Dura-Ace money. The hydraulic disc brakes use Shimano RT70 rotors — 160mm front, 140mm rear — providing consistent modulation in varying conditions. Wheels are Miche Syntium Aero alloy, a sensible spec that keeps the price realistic and leaves a clear upgrade path for riders who want to push deeper into the bike's performance envelope. Tires are Vittoria Rubino IV G2.0 in 700x28, and maximum tire clearance sits at 30mm actual width.
Design Benefits
- Filante SLR aero architecture: The SL shares its tube shapes, geometry, and cockpit integration with Wilier's World Tour race bike. The aerodynamic profile is not a simplified approximation — it is the same Filante silhouette with a different carbon compound underneath.
- Fully integrated cable routing: Wilier's proprietary superthin headset bearing routes all cables internally through the handlebar and into the frame. The result is a clean cockpit with genuine aerodynamic and aesthetic benefit, not just a covered-up stem clamp.
- NHU MOD+ carbon construction: The high-impact-strength carbon compound adds modest weight versus the SLR (~150g per frame) while delivering a more compliant, durable ride character — well suited to riders covering varied terrain or riding longer distances on the same bike they race.
- Shimano 105 Di2: Full 12-speed electronic shifting and hydraulic disc braking at a price where mechanical drivetrains are still common. The precision and reliability of Di2 technology without the cost of moving up to Ultegra.
- Six-size range: XS through XXL gives this bike one of the broader fit ranges in the aero road category — useful for riders at the extremes of the fit spectrum who often find aero bikes sized only for a narrow middle.
Final Take
The Filante SL makes a clear argument: Italian aero race geometry, fully integrated carbon cockpit, and electronic shifting don't have to cost what the World Tour version costs. The alloy wheels are an honest starting point — not a compromise that undermines what the frame and drivetrain offer. For riders who want a real aero road bike from a brand with over a century of Italian racing behind it, and who aren't ready to spend Filante SLR money to get there, the SL is the direct answer.
Wilier Filante SL 105 Di2 Bike w/Alloy Wheels - Specifications
*Specifications are subject to change.
Wilier Filante SL 105 Di2 Bike w/Alloy Wheels Geometry
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