Weight From 8.8 kg Speed 12-speed Material Titanium Folded Size 25.4" (H) x 23.6" (W) x 12.6" (D) Main Frame Grade 9 titanium tubes, welded main frame with cast titanium bottom bracket manifold Rear Frame Advance Superlight rear frame with replaceable hanger, suspension block and 54mm roller wheels Fork One piece carbon fork and steerer with magnetic pedal holder Grips Superlight lock-on foam grips Seatpost Superlight standard seatpost (33") Saddle Superlight Carbon Seatclamp Machined aluminium seat clamp and rear frame clip in anodized matt black finish Hinge Clamps Machined aluminium self-aligning hinge clamp levers and plates anodized matt black finish Pedals Superlight cnc aluminium pedal set with Fixed right-hand and quick-release left-hand pedals Drivetrain Brompton 12-speed drivetrain, 402% range Number of gears 12 gears Chainset Superlight carbon crankset with hollow BB30 axle, integrated spider, 50T chainring and chainguard Bottom Bracket FSA Mega Evo Bottom Bracket Headset Grade 9 titanium diameter tubes with integrated headset and spring loaded steerer catch hinge Shifters Brompton 4-speed derailleur shifter & 3-speed hub gear shifter Sprockets 11-13-15-18 tooth Derailleur Patent pending direct mount 4-speed derailleur Rear Wheel Lightweight rim, double butted spokes, aluminium hub body and 4-speed freehub body Front Wheel Lightweight rim, double butted spokes and aluminium hub with sealed bearings and allen key axle Tyres Schwalbe ONE with Addix Race rubber mix and V-Guard puncture protection Tubes Tubolito S-tubo 34g tube with presta valves Mudguards Included Lighting Reflectors Pump Not included Rack Not included Brakes Dual Pivot Calipers On Bike Accessories Not included