Shimano Tourney RD-TY300 Bike Rear Derailleur Mech 6/7 Speed MTB Hybrid Bike Bracket Hanger Hook On Fitting Mount Black. NOT SUITABLE FOR EVERY BIKE!!

I don't think there was anything I didn't like about this rear drailure. But there wS everything I did like about it. It is very easy to fit on my bike and the gear changing is very smooth too.

Great Product

Great customer service, product works great.