This study focuses on exploration of wheelchair users’ expectations from portable ramps and their adoption factors, then correspondingly ofters a smart mass customization design tool. Briefly, portable ramps are generally used by wheelchair users, provide temporary solution to increase accessibility in their daily lives. Different types of portable ramps can be found in the market and their modifcation flexibility cannot go beyond just length modification, or they just allow to select some restricted width options. However, portable ramps are quite suitable for mass customization concept which can help to satisfy potential customer while being involved in design step. In this context, three research methods were applied; semi structured face-to-face interview, observation and experimental study. The constructs of survey were extracted from literature and patent reviews, then refined during interviews and observations studies. Wheelchair users answered a web-based survey with 72 quentions related with 35 constructs. The survey uncovered that personalization, flexibility and extension capability is highly demanded by wheelchair users. At the end of the study, a smart mass customization design tool has been developed which potential users or sales representatives are able to easily interact with to customize the portable namp. To this end, a case study is conducted with a rollable ramp which is designed and developed within the scope of 1512 - Entrepreneurship Multi-phase Programme (Teknogirişim Sermaye Desteği Programı) of The Scientific and Technological Research Council of Turkey. The methodology and its implementation are described elaborately and example of a parametric smart customization tool design are illustrated in this study.