A roller -device 4 mounted on a steel or aluminium or similar frame 2 includes attachment means fixing the device directly to the rear of a child's bike utilising the existing wheel nuts 4. Extending arms 5 may rest on the bike frame to counteract rotational force. The extended arms 5 may be in different forms such as attached to the seat post or chain stay 6. In use, the roller 1 is engaged from behind by another bikes front wheel 7 while moving to push the front bike forwards.
Bicycle booster
2016-06-01
Patent
Electronic Resource
English