2021 Aprilia SX 125

The 2021 Aprilia SX 125 sits in the small-bore end of Aprilia's supermoto range, built for riders who want motard styling and handling without the weight or license requirements of a full-size machine. This is a lightweight, narrow bike meant for tossing around city streets and back roads rather than covering distance, with a chassis tuned for flickable direction changes over raw speed. The power delivery favors revs over torque, so it rewards riders who like to keep the engine spinning and work the gearbox rather than lug along in a high gear. It's an approachable bike to live with day to day: light clutch pull, manageable seat height for most riders, and none of the intimidation factor that comes with larger displacement supermotos. The 2021 model carried over without significant mechanical changes from the prior year, so buyers comparing it to a 2020 example should focus on mileage, service history, and condition rather than spec differences. Typical buyers are younger riders or commuters moving up from scooters, plus experienced riders wanting a nimble second bike for urban use. Collector interest remains low, so pricing tends to track condition and usability rather than any speculative value.