This backrest saddle is maded of premium material iron and polyurethane,which is durable and can be used for long time.

It’s universal replaceable saddle,and the backrest can be adjusted freely,it is comfortable for a standard 7/8 seat post.

The seat base size is 11.5inch(L) and 9.5inch(W),bigger than ordinary saddle and is more comfortable to seat.

Backrest size is 8.66inch(L)x8.66inch(W),can support rider’s back and help to reduce the riding fatigue.

Suitable for most of bike ,tricycle,mountain bike ,gym bike,and many more bicycle styles.