GT-Roller M1.1 is multi trainer that gives an excellent sense of stability to you at various place.
It supports you anywhere, anytime!
Details about GT-Roller M1.1
Please our special site about the detail of GT-Roller M1.1
For Smart Trainer You can use this trainer as Smart Trainer if you attach GT-eSMART(optional parts) to GT-Roller this one.
Concept and Data