A weekly night-time bike tour has taken Medellin by storm, attracting long-time bicycle fanatics, beginners, tourists, and those curious to see the city from a two wheeled perspective.. SiClas is an event where at least 100 cyclists gather on Wednesday nights, 7PM, at Carlos E. Restrepo plaza, nestled between bohemian housing units and the renowned Piloto library, to set out and see the city . Price Price (Low to High) Price .