When this rare, chainless bicycle re-emerged in 2003, the dreams and the off-the-shelf parts were long gone, but the patented 3-speed shaft-drive mechanism remained intact, begging to rejoin its place in bicycle history."
Gates Carbon Drive Centertrack
A roda GeoOrbital transforma sua bicicleta normal numa elétrica
Softwheel Fluent suspends (and damps) your bike by the wheels - Bikerumor http://www.bikerumor.com/2016/05/20/softwheel-fluent-suspends-bike-wheels/ #bicycle #bikes
REEB Cycles TyDonk
Homemade bike ... awwww! where there's will, there's a bike ;)
Já nasci com isso!
Alongamento para bike