Varibike 腳踏車

Varibike 腳踏車是一款可以同時用手與腳一起輸入動力的腳踏車，這項設計讓你可以騎更快、騎更遠、騎陡坡，更可同時訓練你的手臂與腳的肌肉。

A bicycle with arm cranks. You can power the Varibike using your arms, your legs or both. It lets you go faster, tackle uphill climbs easier and experience a more intense workout. Also available as an indoor bike. - See more at: http://theawesomer.com/varibike/249635/#sthash.gZGBTNCh.dpuf