About the Cannondale Synapse 1 Go further:A road bike that’s light, stiff, fast and surprisingly comfortable. Your rides will go longer. You'll barely notice.Where it thrives:The open road, up & down hills, rough pavementWhat it’s built for:Comfort, handling, going longKey Features Lightweight SmartForm C2 Alloy Frame w/ full carbon fork Shimano Tiaga hydro disc group Powerful disc brakesSpecificationsFramesetFrame: SmartForm C2 AlloyFork: Full CarbonWheels Rims: RD 3.1, 28hHubs: (F) Formula CRX-512, 12x100mm thru-axle (R) Formula DC-1422, QR Tyres: Vittoria Zaffiro V, 700 x 30cDrivetrainPedals: Not includedFront Derailleur: Shimano Tiagra, braze-onRear Derailleur: Shimano Tiagra GSShifters: Shimano Tiagra hydraulic disc, 10-speedChain: KMC X10EL, 10-speedCrankset: FSA Omega ME Alloy, 50/34Rear Cogs: Shimano Tiagra, 11-34, 10-speedComponentsHandlebar: Cannondale 4, 6061 alloy, CompactStem: Cannondale 4, 6061 Alloy, 31.8, 7°Brakes: Shimano Tiagra hydraulic disc, 160/160mm RT64 rotorsBrake Levers: Shimano Tiagra hydraulic discSaddle: Cannondale Stage ErgoSeatpost: Cannondale 4, 6061 Alloy, 25.4 x 300mm (48-51), 350mm (54-56), 400mm (58-61)Bike SizingChoosing 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.44cm48cm51cm54cm56cm58cm61cmRider Height5'0 - 5'4 / 152cm - 162cm5'2 - 5'6 / 157cm - 167cm5'5 - 5'9 / 165cm - 175cm5'7 - 5'11 / 170cm - 180cm5'9 - 6'1 / 175cm - 185cm6'0 - 6'4 / 182cm - 193cm6'3 - 6'8 / 190cm - 203cm