The Tern pulley guide wheel is designed for the Generation 1 Tern GSD & HSD cargo bikes.
This original equipment replacement part supports the chain on the return run. This is a 1 piece part and includes the bearings. No attachment bolts are included.
To maximize the life of your Tern pulley guide wheel it's important to keep your chain well lubricated as this will significantly increase the life of your chain and pulley guide wheel.