Gravel X - WheelTop GEX-13S – Wireless Gravel Bike

The Gravel X GEX-13S is a premium wireless gravel bike engineered for performance on mixed terrain. This carbon gravel bike delivers exceptional precision, control, and comfort, built with a full carbon frame, 13-speed electronic WheelTop drivetrain, and hydraulic disc brakes. Whether tackling gravel racing, off-road trails, or long-distance adventure rides, the GEX-13S offers a lightweight, integrated cockpit setup designed to maximize efficiency, responsiveness, and all-day ride stability.

Technical Specifications

Key Components

• Wheel Size: 700C

• Frame Height: Multiple sizes available

• Bike Color: You can choose any color from our catalog

• Net Weight: 10.1 kg (with alloy wheels), 9.8 kg (carbon wheels) 
  

Frame & Structure

• Frame: High-modulus Carbon Fiber, Pro-Gravel Geometry, Internal Cable Routing

• Fork: High-modulus Carbon Fiber, XC, 700C

• Seat Post: High-modulus Carbon Fiber, 31.6×350 mm

• Clamps: Aluminum Alloy, Single Bolt Lock, 34.9 mm

Handlebar & Cockpit

• Handlebar Set: Integrated Carbon Handlebar & Stem (420×90 mm), Full Internal Cables

Drivetrain

• Derailleur Lever: WheelTop GEX-13S – Wireless & Hydraulic

• Front Derailleur: None

• Rear Derailleur: WheelTop GEX-13S – 13-Speed Wireless

• Crankset: Aluminum Alloy, Hollow, 42T

• Cassette: 13-Speed, 11–46T

Braking System

• Brakes: WheelTop, Flat-mount Full Hydraulic Disc, 160/160 mm rotors

Wheelset & Tires

• Rim: AL7005 Aluminum Alloy, Double Wall, Matte Finish, W19×H30 mm × 700C

• Tires: 700C×40C – Choose option before proceeding to checkout. Not tubeless-ready.
  

• Upgrade Option: For a painted, stylish wheel upgrade, create a note during checkout for $40

What’s Included

PC bottle cage + Tools, TWITTER Manual + Warranty card, WheelTop charger & manual

Why Choose This Bike?

If your goal is wireless efficiency and gravel versatility, the Gravel X GEX-13S hits the mark:

Gravel-ready geometry for mixed-terrain controlHigh modulus carbon for comfort and low weightWireless 13-speed drivetrain with smooth shifting
Hydraulic disc brakes for reliable stopping power
Wide 11–46T gearing for climbs and speed
Integrated cockpit with internal cables

Built to explore — the GEX-13S is made for distance and adventure.