Trek Speedconcept Gen 3, Rear Bottle Holder

Custom 3D‑Printed Seat‑Post Bottle Holder (for Trek Speed Concept Gen 3)

Overview:
This is a unique, tailor‑made bottle‑mount bracket engineered to clamp securely onto the seat post of the Trek Speed Concept Gen 3. Printed in Addnort PC Blend for durability, it's designed to provide functional versatility without compromising aerodynamic integrity.

Key Features:
•    Custom Seating & Fit
Precisely contoured to the Speed Concept Gen 3 seat post profile for a snug and stable attachment.
•    Hydration Configurations
Supports both single or dual bottle setups, depending on the rider’s hydration needs.
•    Aerodynamic Integration
Bottles sit tucked behind/under the saddle, minimizing drag while keeping a clean rear silhouette. 
•    Hardware Included
Supplied with bolts for assembly—but note, bottle cages are not included (you’ll need to source and attach your own).
•    Robust 3D Printing Material
Utilizes Addnorth PC Blend, offering elevated strength, temperature resistance, and UV durability ideal for demanding outdoor use.
•    Optional Custom Length Adjustment
The mount can be tailored to specific saddle‑to‑post measurements to ensure perfect fit and clearance.
•    Weight and measurements: Weight is approximately 220g (depending on size), for measurements see drawing in the picturese.

Measure Fit: Determine the horizontal distance from the rear edge of the seat post to the saddle’s rearmost edge in a straight line—this allows proper length customization.

Bolt On: Secure the mount using the provided bolts.
Attach Bottle Cage: Mount your own bottle cage(s) one or two depending on preference.

Finalize Fit: Verify clearance and make slight adjustments if necessary for the best aerodynamic and ergonomic setup.