We say... Want a quality headset with long lasting bearings? Hope traditional Headset is the one. Various colour options too... Compatible with: Brother Kepler, Mr Wooden and Allday Bombtrack Arise Surly ECR, Cross Check, Straggler, Steamroller, Bridge Club, Disc Trucker, Long haul Trucker, Ogre, Pack Rat and Troll - Basically most Surly's! They Say... Conventional headset is designed to fit standard frames and 1 1/8"" fork steerers Headset uses custom made, replaceable stainless steel bearings to resist corrosion The cups, taper ring and crown race (which is split for easy installation and removal) are all machined from 2014 T6 aluminium Sealing is achieved through an adjustable taper ring cover and integrated rubber seal Available in: black, silver, red, blue, purple and orange Weight: 120g