The Brompton T Line 4 Speed represents the pinnacle of urban folding bike designprecision-engineered with a grade 9 titanium main frame thats both incredibly light and seriously strong. Weighing 37% less than a standard steel Brompton, the T Line is easier to carry upstairs, onto trains, or across town when foldedmaking it the go-to option for busy commuters or space-conscious riders.Key Features:    Grade 9 titanium frame with Bromptons signature 3-part folding mechanism    One-piece carbon fork and steerer with integrated pedal holder    4-speed Brompton derailleur and trigger shifter with wide urban gearing    Dual-pivot caliper brakes front and rear    16" wheels with Schwalbe ONE tyres and V-Guard protection    Low-rise titanium handlebar for agile, compact handling    Folds in 20 seconds and weighs 37% less than steel models    Available with 0% APR financeBromptons trademark 3-part fold takes just 20 seconds and tucks the bike into a compact, portable package that fits