Best Lightweight Road Bikes in the US (2025) — Top 10 Picks Under 7kg

When it comes to road bikes, few things matter more than weight. Every gram you shed makes pedaling easier, climbing faster, and acceleration snappier. A lightweight bike isn’t just about racing—it’s about freedom. Whether you’re a competitive rider chasing PRs or a weekend climber looking for smooth, effortless motion, choosing a featherweight machine changes how the road feels beneath you.



In 2025, lightweight design is no longer about compromise. Modern carbon engineering allows top brands to build incredibly light bikes—many under 6.5kg—without sacrificing strength or comfort. Let’s dive into the best models you can actually buy in the US this year and see what makes them shine.

Top 10 Lightweight Road Bikes - 2025

We handpicked 10 road bikes available in the US for 2025 based on verified manufacturer weights, real-world testing, and overall value. Our focus was on bikes that balance low weight, performance, and durability—a perfect mix for real riders looking for quality and speed.

S. No.	Model	Claimed Weight
1	Specialized S-Works Aethos 2	~6.05 kg
2	Canyon Ultimate CFR Di2	~6.24 kg
3	Factor O2 VAM	~6.2–6.4 kg
4	SCOTT Addict RC Ultimate	~5.9–6.7 kg
5	Trek Emonda SLR 9 AXS	~6.8 kg
6	BMC Teammachine R 01 One	~7.0 kg
7	Wilier Filante SLR	~6.8–7.1 kg
8	Cervelo R5	~6.8–7.1 kg
9	Pinarello Dogma F	~6.8–7.1 kg
10	Giant TCR Advanced SL 0 (Dura-Ace)	~6.7 kg

1. Specialized S-Works Aethos 2

At just 595 grams for the frame, the S-Works Aethos 2 is the lightest production bike in the world. Specialized combined data-based geometry, 35mm tire clearance, and a re-engineered cockpit that blends damping and stiffness. It floats uphill with surreal smoothness yet feels planted and confident on descents.



• Frame: FACT 12r carbon
• Groupset: Shimano Dura-Ace Di2 or SRAM Red AXS
• Claimed Weight: 6.05–6.14 kg
• Full specs & pricing: See full spec of Specialized S-Works Aethos 2

2. Canyon Ultimate CFR Di2

German precision at work—the Ultimate CFR Di2 delivers elite stiffness-to-weight performance at just 6.24kg. The integrated cockpit, aerodynamic lines, and race-ready frame show meticulous attention to detail. It’s a pro-level climber that truly feels grounded at high speeds.



• Frame: CFR carbon monocoque
• Groupset: Shimano Dura-Ace Di2 12-speed
• Claimed Weight: 6.24–6.32kg
• Full specs & pricing: See full spec of Canyon Ultimate CFR Di2

3. Factor O2 VAM

Factor’s O2 VAM blends ultralight materials, measured compliance, and aggressive race geometry. Made from optimized VAM carbon layups, it’s built for long steep ascents. Riders love its crisp road feedback and direct power transfer without harshness.



• Frame: O2 VAM carbon blend
• Groupset: Shimano Dura-Ace Di2
• Claimed Weight: 6.2–6.4kg
• Full specs & pricing: See full spec of Factor O2 VAM

4. SCOTT Addict RC Ultimate

The Addict RC Ultimate (2025) pushes the envelope with complete builds dipping under 6kg. It maintains unbeatable stiffness and handling with a compliant ride for long days in the mountains. Swiss design meets real-world comfort and race precision.



• Frame: HMX SL carbon
• Groupset: SRAM Red eTap AXS
• Claimed Weight: 5.9–6.7kg
• Full specs & pricing: See full spec of SCOTT Addict RC Ultimate

5. Trek Emonda SLR 9 AXS

Trek’s climbing star gets lighter each year. The Emonda SLR 9 AXS pairs an aerodynamic OCLV 800 carbon frame with wireless shifting, delivering fast, precise handling at around 6.8 kg.



• Frame: OCLV 800 carbon
• Groupset: SRAM Red eTap AXS
• Claimed Weight: approx. 6.8 kg
• Full specs & pricing: See full spec of Trek Emonda SLR 9 AXS

6. BMC Teammachine R 01 One

Built with Swiss craftsmanship, the Teammachine R 01 offers a perfect balance of lightweight (less than 7 kg), stiffness, and comfort. It’s favored for its responsive handling and reliability in racing and endurance riding.



• Frame: Premium carbon
• Groupset: SRAM Red AXS
• Claimed Weight: approx. 7.0 kg
• Full specs & pricing: See full spec of BMC Teammachine R 01 One

7. Wilier Filante SLR

Italian design meets superb lightness. Aero tube shapes and an advanced carbon lay-up give the Filante SLR real-world speed with a climbing edge, weighing around 6.8–7.1 kg.



• Frame: Filante SLR carbon
• Groupset: Campagnolo Super Record Wireless
• Claimed Weight: 6.8–7.1 kg
• Full specs & pricing: See full spec of Wilier Filante SLR

8. Cervelo R5

The latest Cervélo R5 reduces frame weight by 16%, offering a superior climbing feel and smooth handling. It’s a favorite for serious climbers and race riders in the 6.8–7.1 kg range.



• Frame: Carbon
• Groupset: Shimano Dura-Ace Di2 or SRAM Red AXS
• Claimed Weight: approx. 6.8–7.1 kg
• Full specs & pricing: See full spec of Cervelo R5

9. Pinarello Dogma F

Iconic Italian design and engineering—Pinarello’s Dogma F balances low weight (~6.8–7.1kg) with exceptional aerodynamics and torsional stiffness. It’s a top-tier choice for pro racing and passionate enthusiasts.



• Frame: Torayca carbon
• Groupset: SRAM Red or Dura-Ace Di2
• Claimed Weight: 6.8–7.1 kg
• Full specs & pricing: See full spec of Pinarello Dogma F

10. Giant TCR Advanced SL 0 (Dura-Ace)

Giant’s TCR Advanced SL 0 combines affordability with race tech, weighing in at approximately 6.7 kg. It features a stiff, responsive frame and Dura-Ace Di2 gearing, ideal for climbing and racing.



• Frame: Advanced SL-grade carbon
• Groupset: Shimano Dura-Ace Di2
• Claimed Weight: ~6.7 kg
• Full specs & pricing: See full spec of Giant TCR Advanced SL 0 (Dura-Ace)

FAQ

1. Why are the Best Lightweight Road Bikes in the US (2025) so popular?

They combine ultra-light carbon frames with race-level components. This means faster climbs, better acceleration, and smooth handling. The Best Lightweight Road Bikes in the US (2025) offer high performance while staying durable and comfortable for many riders.

2. How do I choose from the Top 10 Picks Under 7kg?

Look for a bike that fits your riding style and comfort needs. The Top 10 Picks Under 7kg vary from aggressive race setups to endurance-friendly frames. Test ride where possible, check for quality components, and pick the bike that feels best on the road.

3. Are these lightweight bikes practical for daily use?

Yes. Today’s lightweight bikes meet strict standards for strength and durability. With regular maintenance, these Best Lightweight Road Bikes in the US (2025) are perfect for everyday training or long rides.

4. What tech features define the Best Lightweight Road Bikes in the US (2025)?

Expect carbon fiber frames, wireless electronic shifting, tubeless tires, aerodynamic tube shaping, and wider tire clearance. These combine to keep the bike light but fast and comfortable.

5. Why focus on the Top 10 Picks Under 7kg?

Sub-7kg bikes are expertly engineered for climbing and speed. The Top 10 Picks Under 7kg represent the best balance of lightness, value, and ride quality available on the US market this year.

Lightweight Road Bike Buying Guide

When choosing a lightweight road bike, focus on fit and comfort first—they matter more than the lightest frame on paper. Consider how and where you ride most: racers may prefer aggressive geometry, while endurance riders might value comfort and stability. Look beyond frame weight to the total bike setup, including wheels, tires, and drivetrain quality. Don’t overlook local dealer support and warranty services as these make ownership smoother. Test ride several models to find the bike that feels right and motivates you to ride more. A well-chosen lightweight bike transforms challenging rides into enjoyable ones with less effort—helping you climb stronger, accelerate quicker, and ride farther.