Bike touring bike type men wheel size 28 inch model 2017 series cannondale quick frame material aluminium frame geometry diamond colour black braking system disc brake brakes tektro hd m285 fork aluminium rear derailleur shimano acera number of gears 27 gear system with derailleur groupset shimano front derailleur shimano altus gear shift brake lever shimano st ef51 crankset suntour cw15 brake type hydraulic disc brake cassette shimano