Full service bicycle shop in Jefferson Park, Chicago offering Brompton folding bikes, commuter bikes, family bikes, adventure bikes, custom bikes, wheel builds and complete bicycle tune-up and repair department.
Cosmic Bikes Jefferson Park Chicago
Welcome to Cosmic Bikes located in Jefferson Park on Chicago's NW side.
Fall Biking in Chicago
Exploring midwestern trails on fat bikes. Fall biking around Chicago.
Chicago Day Trips with Brompton Bikes
A day trip around Wolf Lake on Brompton bicycle.
Fat Bike Chicago Beach Ride
We explored Illinois State Beach on a cold winter day using fat bikes.
Cosmic Bikes Supports Chicago's Bike Commuters
A bike is a great way to get to and from work in Chicago.
Cosmic Bikes carries a wide assortment of bicycle accessories including Brooks saddles, Kryptonite bike locks, Ortlieb bags, bike helmets from Nutcase, Kali & Abus, baskets, pumps, tools, bike lights, and repair parts for all bicycles.
Bromptons Make Fantastic Urban Bikes
Brompton Bicycles are a great option for urban streets and small spaces. Stop by for a test ride at Cosmic Bikes, and check out our full selection Brompton Bikes and accessories.
Racks & Luggage
Lights & Safety
Cosmic Bikes Inc.
4641 N. Milwaukee Ave. Chicago, IL 60630
voice: 773-930-4076 text: 773-850-0510
hours: Mon-Thu 11-7 Fri-Sat 10-6 Sun 12-6
OPEN Sun. Dec. 24 10-3, CLOSED Christmas Day