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AD300
AD300 Road Bike 51cm

AD300 Road Bike 51cm

Best price now

$899.00at Firth SportsChecked 1 h ago

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Price facts

  • Lowest price today: $899.00 at Firth Sports (checked Nov 12, 2026).

AD300 Road Bike 51cm prices at every store

  • Firth SportsNew

    In stock

    $899.00Checked 1 h ago
    Visit Firth Sports

AD300 Road Bike 51cm price history

Lowest price we've seen: $899.00 on Nov 12 at Firth Sports. Tracked across 1 store since Nov 12.

From Firth Sports

  • Full L-Twoo R7 hydraulic disc brake system for precise, consistent stopping power in any weather
  • Full L-Twoo R7 2x10-speed groupset with 20 speeds for hills and flats
  • Lightweight and durable XDSBIKE X6 aluminum frame with internal cable routing
  • 700x30c Branta tires for balanced speed and stability on paved roads
  • Ergonomic alloy one-body handlebar and comfortable Branta road padded saddle
  • Available in four colors: Blue, Green, Pink, White
Sizes
45cm, 48cm, 51cm, 54cm
Materials
XDSBIKE Ultra-Light Aluminum X6 frame; XDSBIKE one-body aluminum fork, thru-axle; Branta A35 alloy double wall rim 700C (35mm profile); Branta 700C x 30C black
Fit
Frame sizes 45cm, 48cm, 51cm and 54cm; 51cm recommended for riders 5'7" to 5'9"
Sizing
Size chart recommends 51cm for riders 5'7" to 5'9"; one reviewer at 5'8" with a 32" inseam found the 51cm too small after a bike fit
Shipping
Free shipping (contiguous U.S.); most orders arrive in 3–7 business days, typically within 5 days after processing via FedEx and UPS Ground
Size chart
Frame SizeRecommended Rider Height
45cm5 feet 1 inch to 5 feet
48cm5 feet 5 inch to 5 feet
51cm5 feet 7 inch to 5 feet
54cm5 feet 9 inch to 6 feet

About the AD300 Road Bike 51cm

AD300 Road Bike: Experience the Difference on the Road

Get ready for a road bike that feels just right. The XDS AD300 Road Bike is engineered to make every ride smoother, faster, and more enjoyable. This bike is all about performance and value, delivering high-end features and a responsive ride that feels like it's built just for you.

The AD300 truly stands out with a few key features that make a huge difference to your ride:

Confident, Reliable Braking: This road bike comes equipped with a full L-Twoo R7 hydraulic disc brake system. You'll feel the precise control and consistent stopping power in any weather, rain or shine. Braking takes less effort and gives you a powerful sense of security, whether you're navigating city streets or tackling a long descent.

A Gear for Every Situation: The bike features a full L-Twoo R7 2x10-speed groupset, providing a wide range of 20 speeds. This means you have the perfect gear for any challenge, whether you're effortlessly tackling a steep hill or finding just the right cadence for speed on a flat stretch. Shifting is crisp and reliable, so you can focus on the ride itself.

Beyond these standout features, the AD300 road bike is built for a great riding experience. The lightweight and durable X6 aluminum frame feels responsive and fast, while internal cable routing gives it a clean, polished look. It rolls on 700x30c wheels with Branta tires, a perfect combination for balanced speed and stability on paved roads. With an ergonomic alloy handlebar and a comfortable Branta saddle, this bike is designed to keep you feeling great on both short trips and longer adventures. To top it all off, the bike is available in four distinct color options, so you can find the perfect style to match your personality.

The AD300 road bike is a fantastic choice for:

New Road Cyclists: A great way to get serious performance features in an accessible, easy-to-handle package.

Commuters: The reliable brakes and wide gear range make your daily ride through traffic and over varying terrain a breeze.

Fitness Fans: The responsive frame and versatile drivetrain are perfect for adapting to your workouts, from sprints to endurance rides.

The AD300 offers the kind of performance and features you'd expect from a much more expensive bike. It’s an exceptional value that’s ready for your next great ride.

Frame: XDSBIKE Ultra-Light Aluminum X6 Frame

Frame Size: 45cm, 48cm, 51cm, 54cm

Color: Blue, Green, Pink, White

Fork: XDSBIKE One-Body Aluminum Fork, Thru-Axle

Wheels: Branta A35 Alloy Double Wall Rim 700C (35mm Profile)

Tires: Branta 700C x 30C Black

Crankset: Bramta R301 50/34 Alloy Crank

Chain: 10sp

Bottom Bracket: Cartridge Bottom Bracket

Pedals: Alloy Cage Resin Body

Derailleurs: L-Twoo R7 20sp

Shift levers: L-Twoo R7 2x10 Shifter

Freewheels: 11-32T 10sp

What buyers say

Buyers like
  • Very light for an aluminum bike, easy to pick up with one finger
  • Agile, responsive and stable on inclines and descents
  • Quick and accurate gear changes
  • Super quick brake response and great hydraulic brakes
  • Great looks and excellent condition on arrival
  • Delivered faster than expected and more than 70% assembled
Buyers complain about
  • 51cm frame too small for a 5'8" rider with a 32" inseam despite the size chart, causing hip pain
  • Some consider the price too high

Specifications

Size
AD300 // 51cm

Questions and answers

Where is the AD300 Road Bike 51cm cheapest?
At Firth Sports, for $899.00, as of our latest check.
What do buyers say about the AD300 Road Bike 51cm?
Buyers like: Very light for an aluminum bike, easy to pick up with one finger; Agile, responsive and stable on inclines and descents; Quick and accurate gear changes. Common complaints: 51cm frame too small for a 5'8" rider with a 32" inseam despite the size chart, causing hip pain; Some consider the price too high.

Stores we've priced the AD300 Road Bike 51cm at

  • Firth Sports deals and prices