What about flying a different category of LSA?

If any FAA certificated sport, recreational, private or higher pilot wants to fly an additional category of aircraft at the sport pilot level, for example: an airplane pilot wants to fly a weight-shift control trike, they may be trained by one trike qualified 'Certified Flight Instructor' (CFI) and then take a proficiency check with another trike qualified CFI. No minimum hours required. This provides a log book endorsement for the pilot to fly the additional category of aircraft at the sport pilot level.

The pro-check option is a powerful tool unique to the sport pilot. This flexibility is not available at Private pilot level.