SKU: 88595323359
gear optimizer

gear optimizer EZ® Triathlon Optimizer SL 22+ Watts – EZ Gains Ltd

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Description

gear optimizer EZ® Triathlon Optimizer SL 22+ Watts – EZ Gains LtdTo confirm EZ Gains products are designed, manufactured and tested in the UK and conform to safety regulations. BUNDLE PACKAGE EZ Disc Super Lite: EZ Disc Super Lite (light version) Carbon Chainring Guard Front Derailleur Guard CALF GUARDS & TOE Covers 22+ Watts 35 45Kph 20% Discount taken of RRP when you purchase the Optimizer. The Ultimate EZ Disc (Super Lite) this product has been wind tunnel tested, rolling tested at (Silverstone Sports

To confirm EZ Gains products are  designed, manufactured and tested in the UK and conform to safety regulations.

BUNDLE PACKAGE - EZ Disc Super Lite:

EZ Disc Super Lite (light version) / Carbon Chainring Guard / Front Derailleur Guard / CALF GUARDS & TOE Covers 22+ Watts 35-45Kph 20% Discount taken of RRP when you purchase the Optimizer.

The Ultimate EZ Disc (Super Lite) this product has been wind tunnel tested, rolling tested at (Silverstone Sports Engineering Hub) and is as fast as a top end disc wheel, also made from a polycarbonate mix. When combined with the correct wheel it can weigh the same as a disc wheel. The EZ Disc SL is 1/3 lighter then the original EZ Disc with the same aero benefits and takes less than 15 minutes to fit.

Aerodynamic rear disc wheel covers for road racing bicycles turn your wheel into a disc wheel and enjoy meaningful performance gains of two minutes plus over 90k.

Custom engineered to fit all makes and models of wheels, brakes, and rim depth options.

Save 2-3 Minutes over 90k by adding an EZ Disc to your wheel, regardless if the course is hilly or not, proven to be more stable in the wind check out our science page.


(Patent Authorise)®

BTF-CTT Legal / ITU - ETU / Ironman Legal / World Triathlon ISO Accredited. 

Incompatible Wheels & Alternative EZ Disc "check below incompatible wheels section and select the EZ Disc"

 

EZ Gains® Aero Chainring Guard (Patent Authorised)

To confirm EZ Gains products are  designed, manufactured and tested in the UK and conform to safety regulation.

Smooth the airflow through your chainring for EZ aerodynamic gains and protect your chainring.

Custom engineered to fit all chainring sizes, crankset arms, and power meters.

The Science "Press For Details"

  • Save 3-5 Watts
  • Weight 42 Grams (with tape)
  • Aerodynamic Performance Tested at the Silverstone Wind Tunnel
  • Made and Moulded in the UK 
  • Carbon 

Click on the link at the top of the page for fitting instructions. 

"Crank arm holes cut to width"

Includes everything needed to fit including 3M tape x 2 carbon tape also included to go on crank arm opening if you choose.

BTF-ETU-ITU Used in Ironman Pro races and CTT races.

Used across events by thousands of athletes at high level pro and amateur and has recently been inspected and passed at Ironman Frankfurt by a head official on a professional's bike, Ironman World Championships 2023, 2024, ITU World Championship 2023, 2024. ETU Champs 2023, 2024. National CTT races. Global Operations, Rules and Special Projects for Ironman confirmed he has no issues with the EZ Chainring Guard.

I would like to also confirm that the manufacturing of our products follows regulations: ISO14001 ISO9001.

Sizes may differ to give you the best fit. (EXAMPLE BELOW OF POWER METERS AND CHAINRINGS)

 

EZ Gains®Aero Front Derailleur Guard® (Patent Pending)

To confirm EZ Gains products are  designed, manufactured and tested in the UK and confirm to safety regulation.

"Avoid power failure due to weather conditions with the front derailleur guard, it has also been designed so that it protects derailleur from the wind throughout the whole range of movement".

Smooth the airflow of your front derailleur and save a massive 2-5.8 Watts across 30-50 kph.

On the 31st January 2023 at Silver Stone Sport Engineering Hub "wind tunnel" 

EZ Gains independently had the EZ FDG fully tested across YAW angles and 30/40/50kph wind speeds, and the results are out of the park.

50kph 5.8 Watts, 40kph 4 Watts, 30kph 2 Watts.

0 Yaw Watt Saving 30kph = 1.4 / 40kph = 4.1 / 50kph = 5.8

25 grams

Please see fitting Instructions on "fitting page" do not tighten above 3-4 NM.

Used in Ironman Triathlon, Kona, 70,3 World Champs, IM Euro Frankfurt, PTO Pro Field / BTF / ETU / ITU and inspected, Safety accredited & Patent Pending.

Front Derailleur Guard

This has also been in use across events by hundreds of athletes high level pro and amatuer and has recently been inspected and passed at Ironman Frankfurt by a head official on a professional's bike and Ironman World Championships 2024, ITU World Championship 2024, ETU Championships.

Available for DI2 11 Speed Models and 12 Speed Ultegra & Dura Ace DI2, SRAM, Shimano Mechanical.

 

EZ Gains Velotoze Calf Guards - FREE PART OF BUNDLE

EZ Gains introduces another EZ win, most calf guards are only aero based, but for enhanced performance and blood flow EZ Gains introduces the Velotoze Aero Compression Calf Guards.

ALL the aero gains but also the compression gains, we aero tested these in January 2023 and you are looking a significant gain of 5.5 watts.

Aero Leg Sleeves are designed to give you an aero advantage in triathlon and non-UCI time trial events. Advanced Aero fabric breaks up the flow of air and reduces aerodynamic drag. Active compression helps improve blood flow during running or riding while non-slip silicone dots keep the sleeves in place. They can be worn under a wet suit for a fast transition in triathlons.

SIZE

  • S/M is 26.5 cm tall, recommend for a person height less than 178 cm (5'10")
  • L/XL is 29.0 cm tall, recommend for a person height of 178 cm (5'10") or more

 

  • FEATURES AND BENEFITS
      • Aero: aero material reduces drag
      • Silicone grip: non-slip silicone grip dots keep sleeves up
      • Active compression: helps manage blood flow while riding or running
      • Compatible: designed to be worn alone or with Velotoze Short Shoe Covers
      • Greater coverage: these cover a larger area of the calves, not recommended for UCI events


    • MATERIALS

      • 87% polyester, 13% spandex


    • CARE INSTRUCTIONS

      • Machine wash cool on a gentle cycle with like colours. Hang dry. Do not machine dry. Do not iron. Do not bleach.

     

    EZ Velotoze Toe Covers - FREE PART OF BUNDLE

    Aero Toe Covers are a BIG advantage in triathlon, as they allow you to get aero gains but not having to invest in aero shoes.  EZGains tested using very aero shoes and it still gave a large gain, watts for cost these are bang on.  Also they do not effect the transition of the shoe in triathlon during flying mounts or putting on your shoes in transition.

    EZAero Toe Covers will save you - 2 watts "tests done on very aero shoes" if you have non-aero shoes we would expect this to double.

    Check out the science page for data.

    BTF-UCI-CTT Legal

        Shipping Notes
        • Free Standard Shipping on $100+ Orders to the USA.
        • Except Preorder products are shipped in 48 hours.
        • Delivery to the USA:
        1. Standard Shipping : 3-10 business days
        • If time is of the essence, please consider selecting expedited delivery for faster service.
        Exchange/Return Notes
        • We offer a 30-day return/exchange service after receiving.
        • Final sale items are not eligible for returns or exchanges.
        • To process your return/exchange, please contact us at [email protected]
        • Please click here for more details>>> Return & Exchange Policy
        SKU: 88595323359

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        4.5 ★★★★★
        Based on 27 reviews
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        Product Reviews
        S
        Verified Purchase
        Sandy
        West Palm Beach, US
        ★★★★★ 3
        12 " too short, no direction.
        Style: Sport, Size: 12in
        I got the twelve inch handle. It is too short and does not flex enough to release ball in right direction. Its almost impossible to aim and doesn't sent the ball far enough.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on April 22, 2026
        C
        Verified Purchase
        Cascadian
        Waukegan, US
        ★★★★★ 5
        Great For Dog Park Fun -- The Ball Goes Flying
        Size: 25in, Style: Sport
        I love this thing. It's super well made and It enables me to chuck a ball the entire length of the dog park (I'm a 65 yr old woman with a wimpy arm). My dog is thrilled too. At first I thought it might be too heavy, but that's just not an issue, the weight is fine. For non-throwers like me someone at the dog park gave me a tip --- just look at the area you want to throw the ball. Helped my aim immensely. The 2.5 inch chuck it ball it comes with is my dog's absolute *favorite* . . . it's her security blanket in the kennel while driving, and it's her favorite ball to chase (the only one she'll actually bring back). She loves to chew it and to squish the air out of it, which takes a little effort. Recommend.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on May 25, 2025
        L
        Verified Purchase
        leal536
        Waukegan, US
        ★★★★★ 5
        Great tool!
        Size: 18in, Style: Sport
        Ok - so I do not have a dog!!! I purchased this item for a completely different purpose! I saw someone using this to gather eggs!! I often go to my daughter and son-in-law's homestead to carry out the chores when they need to be out of town! Well, I am a bit on the short side (4'11") and some of the hens KNOW that a short person is going to be gathering eggs!!! I simply could not reach all of the eggs in a couple of the nesting boxes! So, after seeing someone else use this ball launcher as an egg retriever, I bought one! I am now able to reach ALL of the eggs - one at a time with no breakage! It was a game changer for me. I am sure that it works equally well for dog play!!!
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on November 15, 2024
        S
        Verified Purchase
        Steven
        Port Orchard, US
        ★★★★★ 5
        A Fun and Engaging Playtime Essential for Active Dogs
        Size: 18in, Style: Sport
        The ChuckIt! Sport 18M Dog Ball Launcher has been a game-changer in our playtime routine with our energetic and playful dog. This innovative and well-designed ball launcher has become an essential tool to keep our furry friend entertained and active. The 18" length of the launcher provides a comfortable grip for both me and my dog during play. It allows for effortless throwing, making fetch games enjoyable for both of us. The launcher's ergonomic design ensures a smooth and efficient ball-throwing experience, saving me from straining my arm during extended play sessions. The inclusion of a medium-sized ball (2.5") with the launcher is a thoughtful addition. The ball's size and weight are perfect for our medium-sized dog (20-60 pounds), allowing her to easily grab and carry it in her mouth. The ball is also durable and can withstand the enthusiastic chewing of our playful pup. One of the standout features of the ChuckIt! Sport 18M Dog Ball Launcher is its exceptional throwing distance. It allows us to launch the ball far into the distance, providing ample space for our dog to run and fetch. This extended range adds a fun and challenging element to our playtime, keeping our dog engaged and excited. The durable construction of the launcher is commendable. It has proven to withstand rigorous use and outdoor play, making it a reliable and long-lasting investment for our dog's entertainment. Additionally, the launcher's compatibility with other ChuckIt! balls makes it a versatile tool for various play styles and preferences. Whether it's a bouncy rubber ball or a flying disc, the launcher can handle them all. Moreover, using the ChuckIt! Sport 18M Dog Ball Launcher has strengthened the bond between our family and our dog. It encourages interactive play, providing an opportunity for us to engage and connect with our furry companion while promoting exercise and healthy physical activity. In conclusion, the ChuckIt! Sport 18M Dog Ball Launcher has been an absolute joy for our family and our playful dog. Its easy-to-use design, impressive throwing distance, and durability make it a must-have for any dog owner with an active and fetch-loving pet. We highly recommend the ChuckIt! Sport 18M Dog Ball Launcher, along with the included medium ball, for a fun-filled and active playtime experience that both you and your dog will love.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on August 3, 2023
        A
        Verified Purchase
        Another Floyd
        San Leandro, US
        ★★★★★ 5
        Essential kit for those with fetch dogs
        Size: 18in, Style: Sport
        Now in our 3rd year, my Brittany and I are down to about 40 fetch tosses a day, some 14,600 tosses a year. The Chuck It launcher wears well, so, figure at least 5 years of use, for 73,000 tosses. That makes for a terrific value! There are several key benefits of the Chuck It launchers: One is that you can chuck the ball further than you can throw, which allows you to exercise your dog more easily. The second is that you can pick up and launch the ball without touching it, which means NO slime! And, the Chuck It also gives extra reach when you have to retrieve a ball from sticker brambles. Those are great features for anyone with a fetch dog. If you also happen to have a weak arm or shoulder, the Chuck It launchers provide nice throwing options. I generally throw underhanded. I can't get the full potential range, that way, but, I still get good, long tosses. I curl my second finger above the last bump on the handle, and use a good wrist flick along with arm swing. I've seen others throw side-arm with the Chuck It. I had originally written a second review for the longer 25M Chuck It. Either I, or Amazon messed up, and it looks like I can have only this one review. So, here are my additional thoughts on the 25M: I bought the 25M so that I could throw the ball even further! The good news is, you really can chuck further, with the longer chucker. The bad news is, those longer throws do require more arm and shoulder strength than when using the 18M. This becomes more obvious when you've done 3 or 4 dozen throws. I would recommend the 25M only for those with the youth and/or strength to get the most out of it. Otherwise, I'd say, go with the 18M.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on March 11, 2016

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