Check out these 24 Commuter Bike Store coupons including promo codes and free shipping deals for May 2017. The best offer today is a 5% Off coupon code. You can use your coupon to save on bike equipment at Commuter Bike Store. The bike craze has taken over! And for good reasons. Biking is better for the environment and for you! Shop all the parts and accessories you need for your daily biking commute at Commuter Bike Store!