Mountain Bike Size Chart Youth. ETT is a common measurement to look at when sizing a bike and is a good indicator of how long a bike will feel while you're seated. Some people like to choose their bike by wheel size, others by inside leg measurement (which can vary hugely and is difficult to measure accurately) or age, but we prefer to keep it.
Edge Youth Get them started young! Mark the place on the wall where the bottom of the box is resting.. ETT is a common measurement to look at when sizing a bike and is a good indicator of how long a bike will feel while you're seated.
Mountain Bike Effective Top Tube and Reach.
To find it easily we have prepared an easy to read kids bike size chart selection (by height, by age, by inseam) for you.
So, make sure you look at a tire size chart and try a full-suspension mountain bike for size before buying. When buying a new children's bike, the appropriate bike size plays a very important role. We're here to help you with your bike sizing and cycling apparel sizing needs.