Bought this bike back in seattle when I was commuting to work on it. Became the kid trailer hauler because the Disc brakes can stop on a dime! It’s the perfect everyday bike. I probably rode it 30 times and went back to driving, too rainy there. From Rei website: Urban comfort meets smooth steel in the Novara Buzz®. Its sturdy chromoly frame and beefy tires tackle curbs or potholes, and its comfort-focused cockpit makes even short rides a reason to smile. Bike Frame Material Steel Wheel Size 700c Number of Gears 27 gear(s) Chromoly steel frame and pinpoint fork offer a sturdy, heads-up ride that cruises up and down roads with a steely-smooth ride quality 27-speed drivetrain works smoothly and precisely to ensure clean shifts and efficient pedaling Tektro Auriga hydraulic disc brakes offer excellent stopping power, even when it's wet Puncture-resistant 700 x 40c tires feature a wide, stable contact patch, versatile tread pattern and reflective sidewalls for enhanced visibility The Buzz includes a Selle Royal clip-in rear light that attaches directly to the saddle Specs are subject to change