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BTS Bottle Cage Holder | Universal saddle mount (Angled, Straight, Direct) | Aero Saddle Bottle Mount | Tri Bike Hydration System

3dpari  

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Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

  • Materials: Carbon Fiber PETG

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Custom 3D Printed Big Bottle Cage Holder

Stay fueled on long rides with our BTS (Between-The-Saddle) bottle cage holder, designed for triathletes and endurance cyclists who need extra hydration without sacrificing aerodynamics.

The holder mounts securely underneath your saddle and is available with three mounting options:
🚴 Angled – for saddles with an overhang at the rear
🚴 Straight – for standard saddle rails
🚴 Direct – for saddles with direct inserts (M5) spaced 60 mm apart
❗ Are you not sure of the fit? Message us!

This aerodynamic solution provides space for one large bottle, or two bottles when combined with the ADD-ON dual cage mount, keeping your setup both stable and efficient.

Each holder is precision-designed to fit your bike and riding position, ensuring the bottle stays firmly in place even on rough roads. Made from lightweight yet durable materials, it offers the perfect balance between performance, practicality, and sleek design.

Features
✅ Space for one large bottle in an aerodynamic position or two bottles with the ADD-ON dual cage mount
✅ Angled and Straight versions support adding a 3dpari Garmin mount
✅ Secure mounting with a stable, rattle-free fit
✅ Lightweight and durable construction
✅ Custom-tailored for triathlon and road bikes
✅ Material: Carbon Fiber reinforced PETG
✅ Weight: 80-150 grams

Whether you're racing, training, or tackling long-distance events, our Big bottle cage holder gives you the hydration you need — exactly where you need it.

🛠 Installation
- A long Allen key is required for installation.
- With the included bolts, you can easily mount your own bottle cage onto the fin.

⚙️ Manufacturing & Quality
The holder is FDM 3D printed using a Bambu Lab printer. Small surface imperfections may occur due to the printing process, but these do not affect performance. Every product is tested for functionality before shipping.

ℹ️ Disclaimer
This is not an original product from the bike manufacturer. It is a custom design, exclusively created and produced by 3dpari.

⚠️ Heat warning
Do not leave the product in hot environments such as inside a parked car on a warm day. High temperatures may cause deformation.

Learn more about this item
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  • Order today to get by Jun 29-Jul 17
  • Returns & exchanges accepted within 14 days
  • Cost to ship: $10.20
  • Ships from: The Netherlands

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Reviews for this item

What buyers say, summarized by AI: Great quality Helpful seller As described Fits well Fast shipping

4.9

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(20 reviews)

4.8 Item quality
4.7 Shipping
4.9 Customer service
100% Buyers recommend
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5 out of 5 stars 5 This item

Ronnie Jun 11, 2026

great product, thank you!

Ronnie Jun 11, 2026

Response from Pari

Enjoy!

5 out of 5 stars 5 This item

Miguel Jun 2, 2026

Absolutely love it. My TT bike feels fastewr with it! :)

Miguel Jun 2, 2026

Response from Pari

Love the review! Enjoy :)

5 out of 5 stars 5 This item

Tymon Jun 1, 2026

Is really good stuff i m really happy

Tymon Jun 1, 2026

Response from Pari

Thank you! Enjoy :)

5 out of 5 stars 5 This item

Aran May 29, 2026

Thank you very much!! Arrived on time and in excellent quality

Aran May 29, 2026

Response from Pari

Looks great! enjoy :)

3dpari ·

The Netherlands

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.8
·
2.5k sales
·
3 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Jun 20, 2026