Unite Motor 1016Z 1018 13 Teeth Pinion Gear Motor Applicable to Ordinary Bicycle Chain Wheel 13 Teeth Sprocket

Just what I needed for a project and it along with the matching chain work really well.

For people who reported that it didn't fit the bicycle chains, most likely it is because these days most bike chains for 3/32 6-8 speed chains that is narrower than the single speed chains. I had to buy one for my 20" wheel e-bike conversion project and found that original gear ratio 9:16 for 26" is too slow for 20" wheel. So I changed both sides to get 13:18. Now my little 20" foldable can go 15-16mph too.

This doesn’t fit the Bicycle chain, as stated in the description L-faster Unite Motor 1016Z 1018 13 Teeth Pinion Gear Motor Applicable to Ordinary Bicycle Chain Wheel 13 Teeth Sprocket I have design a pedal system using this sprocket and now I find out I doesn’t fit. Now I have to change to something else and wasted my time.

Doesn't actually work with a 1/2" x 1/8" bicycle chain as advertised. It won't wrap more than a third of the way around before the gear spacing is to far apart.

I purchased this for a bicycle project and I am very disappointed. This is NOT comparable with a bike chain

Improperly represented

these were supposed to fit 5/8" shaft, but were 1/2", but I am going to use them elsewhere

Perfecto, usado para reparar un aparato mecánico, cumple la descripción exacta

Wrong thing i got (my error, center wasent the good one).. bit it's nice.. Would (well i got one so i wont :oP) buy again if i have a project that need this center and the spike

Tut was es soll

bonne qualités mais ne convient pas aux chaine de vélo