Ceramicspeed ufo racing 11 speed bike chainif you want to ensure nothing is holding you back on race day, by adding the ufo racing 11 speed bike chain to your road bike, youll ensure its drivetrain performs flawlessly and with minimal friction. Youll also gain 2 5 extra watts of extra power transfer, helping you to gain an edge over your competitors on race day. Simple to install with the tool free quick link, it also comes with a sample of ceramicspeeds ufo drip chain coating for refreshing the performance after 600km 372 miles.features use road speed 11 speed compatibility shimano, sram and campagnolo 11 speed road drivetrains links 116 links adjustable yes quick link joining link included yes included squirt lube manufacturer's part number csufo050311 included 116 link optimised chain, 11 speed quick link, single use ufo drip sample, disposable gloves, sticker sheet weight 274gplease note the ufo treatment is not optimised for wet and muddy conditions, which might cause corrosion of the chain.please also note apply ceramicspeed ufo drip after 600km to maintain your peak chain optimisation over the life of the chain.buy ceramicspeed components from chain reaction cycles, the world's largest online bike store.