Specialized Allez Sprint Comp Shimano 105 2026: Analysis and Test of the Aluminum "Super Bike"

Full test of the 2026 Specialized Allez Sprint Comp with Shimano 105 12-speed. Analysis of Smartweld technology, aero performance, comfort, and flaws.

Cannondale CAAD13 Disc Shimano 105 2026: Review, Test, and Specs

Specialized Allez Sprint Comp 105 2026: Review, Test, and Specs

2026 Comparison: Cannondale CAAD13 vs Specialized Allez Sprint Comp 105

Specialized Allez Sprint Comp 105 2026: Review, Test, and Specs

Full test of the 2026 Specialized Allez Sprint Comp with Shimano 105 12-speed. Analysis of Smartweld technology, aero performance, comfort, and flaws.

Specialized Allez Sprint Comp Shimano 105 2026: Analysis and Test of the Aluminum "Super Bike"
Build Quality

The Allez Sprint Comp stands out through the use of proprietary D'Aluisio Smartweld (DSW) technology. Unlike traditional frames, the head tube and bottom bracket junctions have been moved away from high-stress areas, allowing for the use of hydroformed tubing with varied thicknesses. The bottom bracket shell and down tube are forged from a single piece, maximizing structural rigidity. While the welds are visually prominent and less "seamless" than those on carbon frames, the build integrity is at the top of its class.
Frame

The frame is constructed from E5 Premium Aluminum alloy. The design is a direct derivation of the Tarmac SL7, featuring aerodynamic tube profiles tested in the "Win Tunnel." Cable routing is fully integrated, entering through the head tube, which gives the bike a clean, modern aesthetic. The geometry is pure racing, with a short head tube that enforces an aggressive, aerodynamic position—ideal for crits and circuit racing.

The 2026 Comp version is equipped with the Shimano 105 R7100 12-speed groupset:

Drivetrain: The mechanical groupset offers excellent shifting precision, featuring a 50/34 crankset and an 11-34 cassette, making it suitable even for routes with significant elevation gain.

Brakes: Shimano 105 hydraulic disc system ensures consistent modulation in all weather conditions.

Components: Notable highlights include the S-Works Tarmac FACT carbon seatpost, the same used on flagship models, and the Body Geometry Power Sport saddle. The DT Swiss R470 wheels are robust and reliable, though not particularly light (approx. 1.8 kg for the pair).

Comfort

Given its racing nature and frame material, the Allez Sprint is inherently stiff. However, Specialized has mitigated the "harsh" response of aluminum through dropped seatstays and the aforementioned carbon seatpost, which allows for a fair amount of vertical compliance. The frame supports tires up to 32 mm, a decisive factor for improving comfort over long distances by allowing lower tire pressures.

Handling is the true strength of this model. The Allez Sprint shares the exact geometry of the Tarmac SL7, offering immediate responsiveness during corner entry and high stability at speed. The short chainstays make the bike extremely agile during accelerations and sudden changes of direction, making it one of the most entertaining bikes to ride in the current market.
Performance

Claimed aerodynamic performance indicates a saving of 41 seconds over 40 km compared to the previous version. Regarding power transfer, the rigidity of the bottom bracket shell ensures that every watt is transmitted to the rear wheel without parasitic flex. The total weight sits around 8.7 - 8.9 kg (size 56), a value that slightly penalizes it on long climbs compared to carbon counterparts but remains almost irrelevant on flats and rolling terrain.

Pros:

World Tour Geometry: The ride feel is identical to the Tarmac SL7.

Aerodynamics: Airflow optimization superior to any other aluminum bike on the market.

Durability: Ideal for those who race crits and fear crashes that could compromise a carbon frame.

Cons:

Weld Aesthetics: Smartweld technology creates very obvious weld beads that may not appeal to everyone.

Wheel Weight: The DT Swiss R470 wheels limit the frame’s potential brilliance; an upgrade is almost mandatory for competitive use.

Price: The list price sits in a bracket where many valid carbon alternatives are available.

Recommendations

The Allez Sprint Comp is the ideal choice for Criterium racers or those desiring a high-performance, durable training bike. To transform it into a true race machine, it is recommended to replace the stock wheels with a mid-profile carbon model (35-45 mm) and install 28 mm tubeless tires to optimize grip and rolling resistance.
Alternatives

Cannondale CAAD13: Slightly more comfortable and classic in its lines, but less extreme in its aero profile.

Trek Emonda ALR 5: Lighter and more climbing-oriented, with more discreet "Invisible Weld" junctions.

Canyon Ultimate CF SL: In this price range, it represents the carbon alternative with a lower overall weight.

For more information write to: info @ cyclonline.com 

NDR: the photo does not refer to the specific bike being tested