The Classic All-Steel Folding Bike. Original design refined for modern cities. The original design with the 3-part fold, handmade in our London factory since 1975.Compact and robust-it\\\'s a seriously engineered bike that\\\'s fun to ride. Although C Line is made to stand up to the rigours of everyday life in the city, owners have taken them on around-the-world trips, on country tours and even to the South Pole, but mainly they are used 364-days a year to improve the day-to-day (we recommend a day-off for an annual service). The minimalist 2 speed C Line. Simple set up-lighter weight. For flatter cities or strong legs in hilly places. With 2 gears, the C Line Urban is lighter to ride and carry than all other C Line models. And with one gear trigger, it\\\'s simple to use. Those that are up and down stairs, walking along platforms and in and out of lifts, will appreciate the benefits of this bike\\\'s Iower weight. Key Features The original design continuously evolved since 1975 Hand-brazed steel frame and forks Features a front carrier block (included on every model) to carry Brompton luggage Equipped with mudguards for all-weather riding Mid handlebars for a comfortable and neutral riding position 2-Speed for efficient urban riding. Specifications Frameset Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints. Fork: Steel brazed fork Wheels Wheelset: (F) Double-wall rim, 28 spokes laced to a Brompton front hub. (R) Double wall rim, 28 spokes laced to a 2 speed rear hub with 12 and 16 tooth sprockets. Tyres: 349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall. Drivetrain Pedals: Brompton Folding left hand and non-folding right-hand pedals Crank: (6061) forged aluminium crank with 54T chainring and integrated chainguard Front Derailleur: n/a Rear Derailleur: Sturmey Archer 2 Speed rear hub with chain tensioner Shifters: 2 Speed Trigger shifter. Bottom Bracket: Square taper bottom bracket Components Handlebar: Triple butted (6061) aluminium with shot-peened finish Grips: Lock-on grips with soft-compound rubber adhered to an engineered core. Headset: Brompton headset Brakes: Brompton Dual Pivot Calipers Saddle: Brompton saddle with integrated carry handle (147mm). Incorporates a mount for a Brompton rear light and saddle bag. Seatpost: Chromoly steel tube, centreless ground, chrome plated for hardness, delivered in a standard length Bike Sizing Choosing the bike size depends on the type of bike, your height, your riding style, and your preference. A correct fitting bike will be more comfortable, more efficient and more fun to ride. This bike size guide gives our customers general advice on choosing the right size. It is a guide only and we always recommend visiting one of our stores or contacting one of our experts. XS S M L XL XXL Rider Height 4\\\'6 - 5\\\'2 / 137cm - 157cm 5\\\'1 - 5\\\'4 / 155cm - 162cm 5\\\'4 - 5\\\'8 / 162cm - 170cm 5\\\'7 - 6\\\'0 / 170cm - 183cm 6\\\'0 - 6\\\'3 / 183cm - 192cm 6\\\'3 - 6\\\'6 / 193cm - 203cm