This action camera is easily mounted on your motorcycle helmet. It shoots video at 30fps. It produces video with a 960p resolution.
From Amazon
Kitvision Kids Waterproof Digital Action Camera for Children with Accessories (Mounts, Adaptors & 4 GB Micro SD Card), Built-in Microphone and Rechargeable Battery - Clear/Blue
OnBuy
KitVision KVKIDCAM action sports camera 5 MP