an up close picture of mechanic of a bike
can you see a bicycle chain
no
can you see a bicycle tire
no
can you see a bicycle hand brake
no
can you see a sprocket
i'm not sure what a sprocket is
is there a person in the picture
no
what type of part is it
i think it is from the inside of the wheel
is it made of rubber
no-it is metal
what shape is it
round
can something attach to it
yes-there are small bolts
is it a spoke
no