Since the work was produced by higher education, the words tend to be a little bigger than we normally use. Domains may be thought of as categories. Instructional designers, trainers, and educators often refer to these three categories as KSA (Knowledge [cognitive], Skills [psychomotor], and Attitudes [affective]).
Electronic shifting is popular on time trial bikes, but generally not so popular when riding in the peloton. Some riders have had mechanical problems with electronic shifters getting stuck in one gear going up climbs. Iâve seen a few pros having to kick the small derailleur into the small ring when it has gotten stuck on the big ring, for example.
Buy a motor with a bicycle chain sprocket on the output shaft. Most motors come with no sprocket or a sprocket that only fits No. 25 or No. 35 chain (which is used on go-karts and scooters). Sticking to bicycle chain will make your life a lot easier. The Unite MY1018 is available as a 250Watt-350Watt motor on several scooter parts stores online.