9/18/27 Speed Bike Chain,Bicycle Chain for Road MTB Mountain Racing…

A bike chain is the essential component that transfers power from your pedals to your rear wheel, keeping you moving forward on every ride. Quality bike chains feature precisely manufactured rollers and that work together to provide smooth, efficient power transfer while minimizing friction and wear.

Shimano Rear Derailleur RD-TY21B 6/7 Speed Hanger Mount for Mountain Bike

Shimano The Rear Derailleur RD-TY21B 6/7 Speed Hanger Mount is a high-quality aluminum component designed for mountain bikes and tricycles. This model features a hanger mount style and a black color, making it both functional and stylish. With a weight of 0.71 pounds and dimensions of 5.79×4.29×3.43 inches, this rear derailleur is durable and compact, perfect for any cycling enthusiast looking to upgrade their bike’s rear derailleur.