Cannondale's Topstone range has been extremely popular primarily due to Cannondale's fearless approach to innovation; you don't achieve great inventions like the Kingpin & Lefty without being a bit of a mad scientist. Cannondale's 2021 Topstone Carbon 5 Gravel Bike in Graphite features WTB ST i 23 TCS, 28h, tubeless-ready rims, Cannondale, BB30a, OPI Spide Ring, 46/30 crank, Cannondale BB30 Bottom bracket, Shimano 105 cassette, Shimano GRX 812, Shadow RD+ rear derailleur, Shimano GRX 600, 11-speed shifters, Cannondale 3, butted 6061 alloy, 16 deg flare drop handlebars, Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotor brakes & Shimano GRX 600 hydraulic disc brake levers. High-volume 700 wheels offer even more off-road ability & on-road comfort add in the revolutionary, super-light bump-erasing smoothness provided by Kingpin suspension you'll ride harder on dirt & more smoothly on the pavement. The Dialed Endurance Fit offers a balanced riding position upright enough for comfort during long rides & maintaining control when tackling technical terrain, yet low & forward enough for speed efficiency. Internal cable routing makes it easy to add a dropper post which adds even more off-road perks that you don't see on every gravel bike, big tire clearance loads of gear & storage mounts. Fully mudguard ready. A removable mudguard bridge on the rear stays means its there when you need it, gone when you don't. Also included is the Cannondale connectivity app. Cannondale has worked with Garmin on the wheel sensor. Available to download on both Android & Apple stores. Once downloaded & logged in, it takes an impressive 20 seconds to pair with your bike by simply spinning the front wheel. The app has four features Ride, Garage, Resources & Warranty. Ride enables precise ride results for distance, time & Calories for the last 30 rides without having to take your phone with you or remembering to press record. The sensor also has Bluetooth & ANT transmission so pairing with your turbo trainer & recording those rides is simple. Interestingly the app will also calculate how your adventures have reduced your carbon footprint for the lifetime of your bike. Garage stores the measurements of your bike fit & service History. The Cannondale app also takes care of your bikes health, prompting you when your bike needs a service based on the miles you've covered. Resources have all the spec & manuals for your bike in your language. Warranty means that you can automatically register the warranty on your bike making it the simplest it's been From a dealer perspective, there is a dealer version of the app providing the bike fit & bike diagnostics. This means if they grease your saddle, you can be assured they will return it to the exact position & expect no variation. It also helps them order parts for your bike, radically streamlining the process. The dealer version does not give any of your route or personal details to the dealer. This bike is great forif you want a competent & desirable carbon gravel bike that built for adventure, the Carbon 5 is for you Features Ballis Tec Carbon Frame, Kingpin suspension systemdropper post compatibledirect line cable routing Shimano GRX Hydraulic disc brakes rear derailleur & shiftersremovable fender bridge Cannondale wheel sensor