






EZ Hydro Gains® Toolbox Up to 12 Watts - Due 21st June
Trademarks and Registered Designs®
THE FASTEST & SAFEST TESTED REAR BOTTLE TOOL STORAGE SUPPORT SYSTEM
TRUSTED BY THE BEST ATHLETES IN THE WORLD.
Tool Box Features:
- Sleek & Secure Storage
- Secure draw button mechanism for tool box - "easy access"
- Waterproof - Water Sealed no ingress of liquid
- Secure foam padding for toolbox contents - Rattle Free
- Optional Light mount - due 21st June
Science & Performance
Engineered for elite performance and trusted by the world’s best athletes, the EZ Hydro-Gains rear bottle mount leads the industry in both speed and safety.
Please check out our science page for more information.
Proven Strength & Reliability BTS Support System.
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Load tested to (20 kg)
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Over 2,000,000 km of real-world road testing
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Built for stability in all conditions — from training roads to world-class race environments.
- ISO Manufacture Accredited / WT & IM Legal
- The best quality reinforced HP Jet Fusion 5210 Technology
Whats Included:
- Adjustable Fin & Guts toolbox system "fits, Inner tube, CO2, tyre levers securely and more"
- Internal padding foam to secure Items "stop rattling"
- 0,5,7.5,10 Angle spacers
- Saddle Clamp
- Elastics
- Spare Screws
- Double bottle mount "If selected"
- Light option available "Due 21st June"
- Puncture repair parts (Not Included)
The purchase is for the Hydro-Gains Rear Bottle Holder Fin & Saddle Clamp Unit tool box system "everything needed for a full set up" it does not include any saddles or bottle cages"can be selected", it does come with elastics to help keep your bottles in place if required.
Individually fitted to each seat design!
Precision-Fit for Every Saddle
If your saddle is not listed please click this link to the universal clamp.
Each mount is individually designed for your exact saddle model, guaranteeing:
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Maximum aero performance
- Single or double bottle (when double bottle selected)
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Perfectly aligned bottle placement
See the full list under “Saddle Type.” - CNC - Aluminium 8mm Thread double bottle mount
- Variable angle of fin
- Variable position of bottles move back and forward for optimal aero performance as close to the bottom as possible
- Bottle can be placed in either direction for easier access to hydration.
- Adaptable to fit ranges of saddles with extra saddle spacers provided.
- highest quality printers in the world
- Made in the UK
Trusted by the Best
With 4,000 + units sold, EZ Hydro-Gains has become the go-to choice for top athletes, including:
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The Men’s 70.3 World Champion
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The Men’s 140.6 IRONMAN World Champion
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The Women’s IRONMAN 140.6 World Champion
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And over 400 top professional triathletes worldwide
If you’re serious about rear hydration and free speed, this is the setup you need.
See our saddle fitting guides for further information on how to easily fit your EZ Hydro-Gains.
Single & Double Options
Order the Double Mount and switch instantly between:
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Double-bottle configuration
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Single-bottle configuration
Make sure you're signed up to our mailing list for new saddle releases
The purchase is for the Hydro-Gains Rear Bottle Holder Fin & Saddle Clamp Unit and does not include any tool box items any saddles or bottle cage, it does come with elastics to help keep your bottles in place if required.
Individually fitted to each seat design!
See our saddle fitting guide for further information about how to easily fit your EZ Hydro-Gains.
Features & Benefits of EZ Hydro-Gains :
- Tool Box Storage - Innertube, Tyre levers, C02 "Items needed to fit securely"
- Securely held in place with adaptable foam
- Faster than no bottle and standard rear hydration setups
- Probably the fastest rear hydration system available.
- ISO/BSI Manufacture Accredited - Meeting all safety standards
- Bottle position movement 0-10 degrees.
- Bottle position movement back and forward.
- Securely holds your hydration as well as adding extra watts.
- Interchangeable saddle mounts
- EZ to Rack
- Manufactured for your seat – best fitting, will not move about.
- Securely holds bottle – added elastic pull for added security.
- Race number area.
- Double bottle mount available.
- Interchangeable Single / Double
- A great marker point for optimal position on seat
- 22cm x 9 cm
- 250g
- Ironman, World Triathlon, German Rules Legal, PTO Legal
"Ironman Triathlon and World Triathlon have confirmed that EZ Hydro-Gains is legal to use in draft–illegal races and conforms to safety standards set out (BSI -ISO9001-ISO14001 5.03 Ironman (World Triathlon) exceeding the standards of a reputable safety standards organization (such as CPSC, ISO, or other equally reputable safety standards organizations)"
Email us your saddle information to be added to the waiting list.
Trade mark no: UK00004217827 Registered Designs UK,EU and US Patent Pending 30/034,780 - Design Patent Australia Pending .Hydro-Gains Trade Marked ® Triathlon & Time Trial Approved-ISO BSI Manufacture Regulated to the highest 3D Print Quality Standard
12 Month Warranty on a defective product - Please contact us if you have an issues.
Pairs well with

EZ Hydro Gains® Toolbox Up to 12 Watts - Due 21st June
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
Shipping Information
OPTION FOR DUTIES & TAXES PAID to EU (Check FAQs)- USA, UK, CANADA. AUSTRALIA, JORDAN, KUWAIT, NEW ZELAND, OMAN, QATAR, SAUDI ARABIA, SINGAPORE & UAE = Duties Paid
Customer Support
We want to help you as soon as possible, so we have a Live chat function on our site. Just click the Chat box below and we'll get back to you as soon as we can.
FAQ’s
Whether it's product, shipping or general EZ Gains information, take a look at our FAQs page for answers to your questions.
Contact Us
Drop us an email via our Contact Us page and we'll get back to you shortly.
