We are very aware that not all women riders fall between 5’ and 5’10” in height, and that some riders at the bottom of this range and beyond may not find optimal fit and performance on our smallest current T:Nine size, which we call Extra Small. Here’s what we are doing to address the unique fit requirements of smaller women going forward.
Making an authentic T:Nine bike smaller than our current sizing range isn't easy, but we are closely investigating this possibility. Many bike brands use smaller wheels on some of their women’s-specific models. Instead, we've carefully designed our current T:Nine bikes so that they all use standard-sized wheels. Why?
- Many women told us that they prefer the looks of bikes with standard wheels, and that considering bikes with smaller wheels made them feel as if they were riding a children’s bike.
- Bikes that use the most common wheel sizes are far easier to source replacement parts for. A road rider using a smaller 650c wheel will find it much more difficult to find appropriate tubes, tires and wheels if they experience a flat, accident or stolen wheel.
- Using smaller wheels often involves accepting compromises in function. For instance, smaller wheels require bigger front gears to cover the same ground as standard sized wheels. Larger front gears on a mountain bike compromises ground clearance, and larger chain rings on a road bike may exceed the design parameters of the shifting system, reducing shifting ease and reliability.
- The overall number of small-wheeled adult bikes is relatively small. As a result, the selection of components in the smaller sizes is limited, and the available parts are often more expensive than parts built in far greater numbers for standard wheels.
With these concepts in mind, we worked hard with our vendors to design complete bikes for a wide range of women riders that use standard-sized wheels. But what about riders at or below the limits of our current XSM size, at about 5’ tall or less?
We are looking into developing an even smaller size for selected T:Nine models in the future, using smaller-sized wheels to achieve this goal. However, the limitations described above make it unlikely that we will offer this new size across every model in the collection.


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