Universal BTA Plate | Under Arm Pad Mount Triathlon Aero Hydration Base Plate

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Universal Between-the-Arms (BTA) Mounting Plate

Clean. Strong. Fully adjustable.

Upgrade your triathlon cockpit with a universal BTA plate designed to mount directly under your arm pads — similar in concept to high-end aero setups — while giving you maximum adjustability.

📏 Dimensions
• Overall size: 250mm (L) × 130mm (W) × 6mm (H)
• BTA system mount spacing: 64mm standard M5
• 3 possible mounting positions
• Arm pad mount spacing 15mm center-to-center slot pattern
• 5.5mm top slot
• 5.5mm bottom slot
• 14.5mm center slot for universal compatibility
OR
• Overall size: 250mm (L) × 130mm (W) × 6mm (H)
• BTA system mount spacing: 64mm standard M5
• 3 possible mounting positions
• Arm pad mount spacing 15mm center-to-center slot pattern
• 5.5mm top slot
• 25mm slot for universal compatibility

See dimension image for detailed fitment reference.

🔩 Mounting & Compatibility

✔ Designed to mount under aero arm pads
✔ Universal slot system for flexible bottle and accessory placement
✔ Works with standard M5 hardware
✔ 2 Nm maximum torque recommended

This plate provides a stable base for:
• Between-the-arms hydration systems
• Cycling computers
• Custom aero setups

🧱 Material

Manufactured from a strong, durable material designed to maintain stiffness at minimal weight.
Do not exceed 2 Nm torque when installing.

🔧 Expand Your Setup

Pair this plate with:
• BTA Riser
• Bottle Bar

(Available separately — see our other listings in the shop.)

💡 Why Choose TriDi Creations?
• Precision fit
• Designed for real-world triathlon setups
• Lightweight and strong
• Clean integration into modern aero cockpits

If you have fitment questions, send a message before ordering and we’ll help you confirm compatibility.

🛡️ TriDi Creations 1-Year Structural Warranty

This product is covered by a 1-year structural warranty for the original purchaser against defects in materials and workmanship under normal intended use.

This warranty does not cover damage resulting from crashes, misuse, improper installation, modification, or failure to follow torque specifications.

TriDi Creations reserves the right to replace the product at its discretion.

Designed, tested, and supported by TriDi Creations.