The perfect stylish commuter the hummingbird shares many of the components as the madam but has a lighter 8 speed derailleur to tackle hills a rear rack for commuting or light touring and slimmer tyres for a racier feel mudguards are also fitted to ensure maximum comfort when the weather turns bad raise eyebrows on the bike lanes with this strong and super stylish alternative to a boring old hybrid bike tektro hydraulic brakes tektro hydraulic disc brakes with 6 bolt 180mm rotors both