Bicycle crunches are effective by themselves to reduce belly fat, but you can mix it up a bit if you want to with variations of this ab exercise! 1. If you want to feel the burn, slow it down.

Viavito Onyx Folding Exercise Bike review TL ... In truth, the folding frame and compact size of the bike is the stand-out feature, because the Viavito Onyx is pretty basic in terms of electronics ...