Talk to our in-house pro triathlete, about comfort, speed, and watt savings!
Schedule Call
EXPLORE THE DETAILS
Description
Why Choose Us?
Key Features
Compatibility
Shipping Information
Return / Exchange / Warranty
FAQ
Submit An Inquiry
Kappa Carbon Saddle Cage: Best-in-Class Bottle Retention for Rear
Hydration The Kappa Carbon Saddle Cage is designed to offer superior bottle retention and convenience for behind-the-saddle hydration, making it the ultimate solution for triathletes and cyclists. Built upon the strengths of the original Kappa cage, the Kappa Saddle inverts the geometry for rear-mounted bottles, ensuring secure retention and easy access.
The retention tab is flipped from the standard position above the bottle, appearing as a split feature at the end of each wing. This unique design, combined with ultra-thick walls, zip-tie mounting slots, and a solid no-cutout structure, makes the Kappa Saddle Cage the strongest and most reliable option for rear-mounted bottles.
The Kappa Carbon Saddle Cage eliminates the need for straps or cords and ensures that bottles stay secure over any terrain, providing a hassle-free hydration solution for serious athletes.
TriRig designs innovative, aerodynamic products built with elite athletes and proven through real-world performance. With a relentless focus on progress, problem-solving, and minimal design, every product helps athletes push limits and achieve their personal best.
Revolutionary Retention Design: The inverted retention tab provides the best bottle retention available for behind-the-saddle applications.
Easy Bottle Access: The new tab position allows for easier bottle removal and replacement, perfect for on-the-go hydration.
Ultra-Strong Construction: Thick walls and zip-tie mounting slots ensure solid and convenient mounting, while the no-cutout design guarantees strength.
Ideal for triathlon and cycling setups with behind-the-saddle hydration.
Orders start processing fast! We aim to have orders, placed before noon MT on business days (non-holiday Mondays through Fridays), leave the warehouse that same day. Orders placed after noon (MT) on a business day, or on a weekend, will ship the following business day.
TriRig ships most packages via OSM / USPS and FedEx although we may change these at any time.
📦 Shipping Insurance:
To add piece of mind to your order, we offer shipping insurance (Checkout+) for domestic and international customers. Checkout+ is a completely optional shipping protection that helps resolve carrier-related delivery issues more quickly. (This service is also combined with free returns).
⭐What Checkout+ covers:
Packages that are lost or mis-delivered by the carrier
Faster replacement or refund without waiting for a carrier investigation to complete
Coverage applies when the correct shipping address is entered at checkout
❌What Checkout+ does not cover:
Incorrect or incomplete addresses entered at checkout
Address changes after an order has shipped
Packages delivered to the address provided during checkout
Delays or delivery issues caused by customer moves, temporary addresses, or expired delivery locations
***Checkout+ does not override customer responsibility for entering a valid, accurate shipping address.
🌍 International Shipping & Import Fees
We ship anywhere in the world!
International orders may be subject to VAT, duties, import taxes, and carrier handling fees
These charges are assessed by the destination country and are the customer’s responsibility
TriRig does not collect or reimburse import taxes or VAT unless explicitly stated at checkout
⚠️ We are not responsible for delivery delays, holds, or returns caused by unpaid duties, taxes, or customs clearance issues.
All returns, exchanges and claims are handled through our self serve portal.
Items may be returned within 30 days of the original purchase date.
Item must be in brand new condition, uninstalled with no blemishes and complete with all original materials and packaging.
Item must be in resell-able/re-stockable condition.
⭐With Checkout+:Fee returns and return shipping.
❌Without Checkout+: All returns will be subject to a 15% restocking fee.
We reserve the right to deny any returns who do not meet the return conditions above.
If an individual item lists a deviation from this policy (such as no returns), then that deviation applies, and supersedes this return policy.
International returns: Accepted on a case by case basis. We do not provide return labels for international returns. Orders unprotected by checkout+ are subject to a 15% restocking fee.
Limited warranty is valid for 1 year after purchase date.
Extended warranty (purchased with Redo) is valid for 2 years after purchase date.
For more information on our warranty policy, visit our Warranty Policy page.
No. The Kappa Saddle Cage was designed specifically for behind-the-saddle use, where bottle ejection is most common. Its inverted retention system grips the bottle from behind rather than the top, which dramatically improves hold. You don’t need straps, cords, or extra gadgets.
Not at all. The inverted design actually makes access easier, because it removes the top “lip” you normally have to fight against when reaching backward. You’ll feel the bottle release smoothly without having to tug.
Yes. The Kappa was created because traditional rear cages have ejection issues. This cage uses:
Thicker walls
No structural cutouts
Rear-focused retention wings
All of which are engineered to keep bottles in place even on rough or bumpy roads.
No. Installation is intentionally simple. You can mount it using:
Standard rear hydration brackets, or
Zip ties (TriRig intentionally supports this — it’s secure and easy)
If you can attach a zip tie and tighten it, you can install this cage confidently.
The Kappa fits all standard cycling bottles — anything you’d typically use on your road or tri bike. No proprietary bottles. No special shapes. No compatibility worries.
Yes. Unlike cages with cutouts or decorative shaping, the Kappa uses a solid, reinforced structure designed to withstand:
Heavy rear hydration movement
Bumpy roads
Long training cycles
Travel
You’re not dealing with a fragile “lightweight-only” cage here.
No. Thanks to its snug retention geometry, bottles stay quiet and stable. If your bottle fits securely now, it will stay secure mid-ride.
Yes — as long as you have a place to attach it behind the saddle. It shines on tri and TT bikes, but riders with gravel or road bikes who want rear hydration can use it with a compatible bracket or zip-tie setup.
TriRig offers a standard return window for unused products. So even if you’re unsure, you’re not stuck — you can test the fit and feel before committing.
Yes — rear hydration is often the most aerodynamic bottle position, because it hides the bottle in the wind shadow of your saddle and body. The Kappa takes advantage of that by holding the bottle close and centered.
Virtual Bike Fit + Aero Consulting
Book an exclusive 1 on 1 virtual session with one of our certified bike fitters to dial in your position. Whether you've never had a bike fit before, chasing a new PR, or qualified for world champiosnhips we are here to help.