Kids' Bikes on iSi · Grows With Them Carry The Whole Family Your iSi carrier was engineered for 26" to 29" wheels, but the family adventure doesn't wait for the kids to catch up. The Wheel Cradle Reducers adapt your existing wheel support cradles to securely carry 16" to 24" bikes. When the kids grow into full-size wheels, unbolt the reducers and you're back to standard in seconds. 16" to 24" Wheels Claw Retention System Under 150g Each Lifetime Warranty Check Before You Order Wheel Cradle Compatibility The reducers mount onto your existing iSi wheel support cradles. Use the compatibility chart below to confirm your cradle design is supported before ordering. Wheel Cradle Design Compatibility Not sure which cradle you have? Flip the cradle over and check the profile shape, or send our team a photo and we'll confirm in minutes. Supported Sizes One Reducer, Five Wheel Sizes Multiple mounting positions let you dial in the exact position for your child's wheel size. As they grow through sizes, simply move the reducer to the next position. Supports tyres up to 3.1" wide. 16"Balance bikes and first pedals 18"Early riders 20"Primary school riders 22"Transition size 24"Junior MTB and hybrids 26" Remove reducers, standard cradles How It Works The iSi Claw Retention System No straps. No zip-ties. No UV-degraded rubber bands flapping around on the highway. The three-point claw system locks each reducer firmly onto the wheel cradle with an engineered, positive connection. Innovative Retention Three Points. Zero Movement. The iSi Claw Retention System uses three precision contact points to lock each reducer onto the wheel cradle. The connection is entirely mechanical, with no consumable components that degrade over time. Install it once and it stays put for the life of the product. Three-point mechanical retention No straps, zip-ties or rubber bands 100% bolt-on, removable in seconds Lightweight Engineering Under 150 Grams Each Manufactured from textured powder-coated aluminium with zinc-plated steel hardware. Wherever possible, iSi uses aluminium to reduce unnecessary weight without compromising strength. The result is a reducer that weighs less than a smartphone but handles remote touring and corrugated roads without flinching. Aluminium construction, deburred edges Zinc-plated steel fasteners for corrosion resistance Textured powder coat for UV and scratch protection Manufactured For Families The Reducer Key Features Designed to make the family adventure simpler, not more complicated. Grows With Your Kids Multiple mounting positions cover 16" through 24". Move the reducer as the bike grows. When they reach 26", remove entirely and you're back to standard. Up To 3.1" Tyres Wide enough for junior fat-tyre bikes and chunky MTB rubber. If it's 24" or under and 3.1" or narrower, the reducer handles it. Sold In Pairs One reducer per wheel cradle, sold as a pair. Each pair covers one bike (front and rear wheel). Order one pair per child's bike on your carrier. Australian Manufactured Same quality standards as every other iSi component. Manufactured in Melbourne from Australian materials with a lifetime warranty. Installation Need Help Installing? Our full installation guide covers the reducer system along with every other iSi component. Download the PDF or check the video guides for a visual walkthrough. Download Installation Guide (PDF) Complete iSi carrier system instructions including reducer installation Video Guides Watch step-by-step installation and loading demonstrations Sold In Pairs One reducer is required per wheel cradle. Each pair covers both wheels of one bike. If you're carrying two children's bikes, you'll need two pairs. Lifetime Warranty <150g Per Reducer Made In Melbourne 30 Day Returns Not sure if they're compatible? Send us a photo of your existing wheel cradles and we'll confirm compatibility in minutes. Or visit our Mitcham showroom and we'll check in person. Speak to a Sales Engineer
