Shop Bikes Large Desktop and Backrest Kit Grades 3-6 for Self-regulation Classroom Bikes US$238.00 Self-regulation Classroom Bike - Base Grades 3-6 (Desktop and Backrest sold separately) US$810.00 Large Desktop and Backrest Kit Grades PreK-2 for Self-regulation Classroom Bikes US$238.00 Self-regulation Classroom Bike - Base Grades PreK-2 (Desktop and Backrest sold separately) US$810.00
