Toseek 8k Gloss TR 40 Bicycle Handlebar 

The TOSEEK TR40 Bicycle Handlebar is a lightweight carbon road bike handlebar designed for cyclists who want a clean, responsive and performance-focused cockpit. Made from carbon fiber, it combines low weight with a strong construction and a premium 8K/UD gloss finish. The ergonomic drop-bar shape provides multiple hand positions for comfortable riding across different road conditions. With a 31.8mm stem clamp diameter, the TR40 is suitable for compatible road bike stems. It offers a 70mm reach and 126mm drop, creating a practical road cycling position for control and efficient handling. The handlebar is available in 380mm, 400mm, 420mm and 440mm widths, allowing riders to select a suitable setup. At approximately 257g for the 440mm-down configuration, it helps reduce front-end weight while maintaining a strong and refined appearance.

Key Features

• Material: Carbon Fiber

• Model: TR40

• Handlebar Type: Carbon Road Bicycle Drop Handlebar

• Stem Clamp Diameter: 31.8mm

• Width Options: 380mm, 400mm, 420mm and 440mm

• Reach: 70mm

• Drop: 126mm

• Weight: 257 ± 20g at 440mm-down configuration

• Finish: Black Matte

• Construction: Lightweight and high-strength carbon fiber

• Clamp Torque: 5N·m

• Brake Torque: 5N·m

• Design: Ergonomic road cycling drop-bar shape

Product Specifications

• Brand: TOSEEK

• Model: TR40

• Product Type: Carbon Road Bike Handlebar

• Material: Carbon Fiber

• Color: Black

• Finish: Black Matte

• Appearance: Carbon fiber finish

• Stem Clamp Diameter: 31.8mm

• Width Down: 380/400/420/440mm

• Width Up: 360/380/400/420mm

• Reach: 70mm

• Drop: 126mm

• Weight: 257 ± 20g at 440mm-down configuration

• Clamp Torque: 5N·m

• Brake Torque: 5N·m

• Handlebar Style: Road Drop Bar

• Cable Routing: Internal cable routing

• Recommended Use: Road cycling and performance riding

Carbon Construction & Ergonomic Design

• Carbon Build: Material: Carbon fiber construction provides a lightweight and strong platform for road bike cockpit setups.

• Surface Finish: Appearance: Black matte finish gives the handlebar a clean and understated look.

• Ergonomic Profile: Reach: 70mm and Drop: 126mm create a balanced road-oriented shape.

• Multiple Widths: Width Options: 380mm, 400mm, 420mm and 440mm provide flexibility for different rider preferences.

• Cable Integration: Routing: Internal cable routing helps create a cleaner cockpit and organized cable setup.

Easy Operation / Usage

• Stem Compatibility: Confirm that your road bike stem uses a 31.8mm handlebar clamp before installation.

• Width Selection: Choose the handlebar width according to your bike fit and riding requirements.

• Cable Routing: Route compatible brake and derailleur cables through the internal cable passages.

• Positioning: Center the handlebar carefully in the stem before tightening the clamp.

• Torque Setting: Use the specified 5N·m torque values shown for the clamp and brake areas.

• Inspection: Check the handlebar and mounting points regularly for secure installation and visible damage.

Why Choose This Product

• Lightweight Setup: Weight: Approximately 257 ± 20g helps reduce front-end weight on compatible road bikes.

• Carbon Construction: Material: Carbon fiber offers a lightweight option for performance-oriented cycling.

• Comfortable Position: Reach: 70mm and Drop: 126mm provide a practical ergonomic road profile.

• Flexible Fit: Width: Four width-down options make it easier to select a suitable cockpit size.

• Clean Appearance: Finish: Black matte carbon styling works well with modern road bike builds.

• Integrated Routing: Cable Routing: Internal routing keeps brake and derailleur lines more neatly organized.

• Standard Compatibility: Clamp Diameter: 31.8mm suits compatible road bike stems.

In the Box

• 1 × TOSEEK TR40 Carbon Bicycle Handlebar