NIUJU CNC Aluminum Computer Mount for FSA K-Force Light ST-RK-139 Stem | Garmin Wahoo

Computer Mount for FSA K-Force Light ST-RK-139 Stem

A dedicated bike computer mount designed specifically for the FSA K-Force Light ST-RK-139 stem. The CNC-machined aluminum alloy construction provides a lightweight and rigid mounting platform while maintaining a clean, integrated cockpit appearance.

The direct stem-mounted design positions your bike computer neatly in front of the stem without requiring an additional clamp around the handlebar.

CNC Aluminum Construction

• Main Body Material: CNC-Machined Aluminum Alloy
• Compatible Stem: FSA K-Force Light ST-RK-139
• Mounting Type: Direct Stem Mount
• Position: Out-Front
• Design: Lightweight Integrated Design

Precision CNC machining provides a rigid mounting platform with a clean fit around the compatible FSA stem. The aluminum construction offers an excellent balance of low weight, strength and durability.

Dedicated Fit for FSA K-Force Light

• Designed specifically for the FSA K-Force Light ST-RK-139 stem
• Direct stem-mounted installation
• Clean and centered computer position
• No additional handlebar clamp required
• Lightweight CNC aluminum construction
• Streamlined out-front cockpit setup

Bike Computer Compatibility

Multiple replaceable computer interface options are available. Please select the correct version for your bike computer when ordering.

• Garmin – including Edge 1040 / 840 / 540 and other compatible models
• iGPSPORT
• Wahoo
• Bryton
• Giant G3 / G5 / P3
• BlackBird / Magene / Onelap / COROS

Clean Out-Front Cockpit Setup

The dedicated mounting design positions the cycling computer directly in front of the stem for a clean and centered cockpit. Compared with conventional handlebar-mounted clamps, the direct-mount configuration creates a more integrated appearance.

Specifications

• Brand: NIUJU
• Product Type: Bike Computer Mount
• Compatible Stem: FSA K-Force Light ST-RK-139
• Main Body Material: CNC-Machined Aluminum Alloy
• Mounting Type: Direct Stem Mount
• Mounting Position: Out-Front
• Computer Interface: Replaceable Insert

Compatibility Notice

This is a dedicated computer mount for the FSA K-Force Light ST-RK-139 stem. It is not a universal FSA computer mount.

Please check the model marking, stem shape and mounting points against the product images before ordering. Different generations of FSA K-Force stems may use different designs and mounting configurations.

If you are unsure about compatibility, please send us clear photos of your stem and its model markings before ordering.

Installation

• Confirm that your stem is the compatible FSA K-Force Light ST-RK-139 model.
• Select the correct insert for your bike computer.
• Install the mount using the specified mounting hardware.
• Make sure all bolts are correctly engaged before tightening.
• Follow the appropriate torque specification for your stem and mounting hardware.
• Do not overtighten the bolts.

Bike computer, FSA stem, handlebar, bicycle, light, action camera and other accessories shown in the product images are not included unless specifically stated.

Compatibility Check: Due to the complexity of original equipment manufacturer (OEM) parts' models and batches, there may be instances where this product is incompatible.

Upon receiving this product, please compare it with the OEM specifications to ensure compatibility before installation.

Torque Specifications: Install this product strictly according to the torque values specified in the OEM parts manual.Installation Issues: If you encounter any discrepancies with the OEM specifications or face difficulties at the initial stage of installation, stop immediately and contact customer service for assistance with returns or exchanges.

No Forced Installation: Do not force installation under any circumstances.Liability: Any damages resulting from forced installation or unauthorized modifications of this product (or its components) will be the sole responsibility of the buyer.

All products are photographed to accurately represent the colors you will see upon receipt.

Due to differences in lighting, angles, or screen settings, slight color variations may occur.

The actual product should be considered the standard.For "colored" and "blue" products, the coloring process may result in uneven color distribution, making each product unique.