SlipStream 3D
Innovative 3D-Printed Cycling Components, Engineered for Performance, Precision, and Functionality.
Between The Arms (BTA)
Best Sellers
The UnderCup BTA Mount is a sleek, stable solution designed specifically for the Giant Trinity DISC 2025. It securely positions your hydration bottle underneath your arm cups, perfect for setups that don’t have a dedicated BTA mount.
Built to improve aerodynamics and accessibility, it maintains a clean, integrated profile that works seamlessly with the Trinity’s cockpit. Ideal for both racing and long training rides, the UnderCup BTA is designed to stay secure and steady—even over rough roads or during hard efforts.
Key Features
🔧 Universal Fit – Designed to mount under most arm cups.
💨 Aero-Focused Design – Tucks the bottle beneath the arms to reduce frontal drag and streamline your position.
🛠️ Customisable Options – If your cockpit setup is unique, we can customise the system to suit your needs. Includes adjustable stack height, multiple bottle positions, and an optional light mount for added flexibility.
📌 Not seeing an option that fits your setup?
No problem! Simply click here to go to the Custom Design page and fill out the form. We’ll help build a system tailored specifically to your bike.
👇 See below for how to select your UnderCup BTA system.
The UnderCup BTA (Between-The-Arms) Mount is a sleek, stable solution for positioning your hydration bottle underneath your arm cups, ideal for setups without a dedicated BTA mount. It’s designed to enhance both aerodynamics and accessibility, all while maintaining a clean, compact profile. Perfect for high-performance training or racing, the UnderCup BTA is built to stay secure and steady, even on rough roads or during aggressive efforts.
Key Features
💨 Aero-Focused Design – Tucks the bottle beneath the arms to reduce frontal drag and streamline your position.
🛠️ Customisable Options – Includes adjustable stack height, multiple bottle positions, and an optional light mount for added flexibility.
📌 Not seeing an option that fits your setup?
No problem! Simply click here to go to the Custom Design page and fill out the form. We’ll help build a system tailored specifically to your bike.
👇 See below for how to select your UnderCup BTA system.
The Canyon Speedmax Mono-Extension BTA is a versatile hydration system designed specifically for the Canyon Speedmax's mono-extension setup. With adjustable height and dual bottle compatibility, this mount seamlessly integrates into your existing configuration for enhanced performance and convenience.
Key Features
Adjustable Height: Fine-tune the height for optimal positioning to match your aerodynamic and ergonomic needs.
Dual Bottle Capability: Supports two bottles, providing maximum hydration options for long rides or races.
Secure Mounting: Attaches directly to the existing Speedmax mono-extension, ensuring a stable and seamless fit.
Improved Straw Clip: Includes a straw clip that replaces the existing straw magnet, offering a more secure and reliable solution for straw placement.
Additional Notes
Updated Design: Please note that the design has been updated since the photos. Computer placement is no longer an issue, ensuring a more streamlined and efficient setup.
Behind The Saddle
(BTS)
Best Sellers
Engineered for the ISM 3.0 / 3.1 Saddle, this BTS system mounts securely to the saddle rails for a lightweight, aerodynamic solution. Designed for both single and dual bottle setups, it gives you flexibility to match your race or training needs.
Change your setup depending on your race – easily swap between single or dual bottles.
Sliding rail adjustability – fine-tune bottle placement for optimal reach and aerodynamics.
Tail light integration – Garmin and GoPro options available for clean rear visibility.
Aerodynamic & slim design – keeps bottles tucked neatly behind the saddle to reduce drag.
No bottle cages included – compatible with standard bottle cages.
Note: The dual system includes all components required to run either a dual or single bottle configuration.
Engineered specifically for the Selle Italia Watt Saddle, this BTS system mounts securely to the saddle’s existing mounting points for a lightweight, aerodynamic hydration solution. Designed for both single and dual bottle setups, it gives you the flexibility to change your configuration depending on your race.
Change your setup depending on your race – easily swap between single or dual bottles.
Sliding rail adjustability – fine-tune bottle placement for optimal reach and aerodynamics.
Tail light integration – Removable GoPro and Garmin options available for clean rear visibility.
Aerodynamic & slim design – keeps bottles tucked neatly behind the saddle to reduce drag.
No bottle cages included – compatible with standard bottle cages.
Note: The dual system includes all components required to run either a dual or single bottle configuration.
The Cervélo P Series Rear Bottle Mount is designed to fit the Cervélo P series with an integrated seat post mount, providing a secure and aerodynamic hydration solution. It allows for both single and dual bottle setups on the same mount, giving you the flexibility to adjust based on your needs.
The system also includes a removable light mount, compatible with Garmin quarter-turn mounts, GoPro adapters, and standard post-mount lights, ensuring visibility without interfering with your setup.
Key Features
💧 Single & Dual Bottle Setup – One mount supports both single and dual bottle configurations for added versatility.
⚡ Aerodynamic Design – Bottles are positioned under the saddle to minimise drag.
🔦 Removable Light Mount – Works with Garmin quarter-turn, GoPro, and standard post-mount lights.
🆕 Dual Vertical Stack Option – Now available with a dual vertically stacked bottle position.
📏 Shop drawings are included in the product photos to help you understand the sizing, mounting points, and setup options before ordering.
Note: You will need the OEM Cervélo Seatpost Water bottle Mount (see link below) for this system to install correctly.
No Bottle Cages are included.
