Self modify fabricate leg exercise bike

Self modify /fabricate leg exercise bike This device is modified from a bicycle and has no adjustable knobs but very stable and fixed height measure from an sofa single chair to make Below has two pieces of good wood to make it stable and will not move easily Good for those with need pain and home therapy for those who just replace knee cap Indoor leg exercise for blood circulation and bones strengthening Size: 19ins L X 16ins wide whatsapp 91892188loop