Cycling shoe weight ranges from about 350g to over 1000g per pair, depending on the type. Road race shoes are the lightest at 400-550g, performance road shoes run 500-650g, mountain bike shoes range from 600g for XC up to 1000g for trail/enduro models, and commuter shoes typically land between 700-1200g due to added durability and walkability features.
Weight matters most if you're racing, climbing frequently, or chasing performance—lighter shoes reduce rotational mass, making acceleration and climbing feel snappier. For recreational riders and commuters, comfort, durability, and foot protection should take priority over saving grams.
One common pitfall: always check whether a listed weight is per shoe or per pair, as some brands list per-shoe weights, which can be misleading. Also, don't sacrifice fit or comfort for minimal weight savings—a shoe that's 50g lighter but causes hot spots will ruin every ride.