Drilled for front and rear brakes and quicker than ever, the All-City Thunderdome is crafted from our proprietary blend of race-ready Alumisonic aluminum tubes. Lightweight and responsive, this UCI-certified sprinter has proven itself on the boards of velodromes across the globe. On the track or on the city streets, its one and only speed is fast.- UCI-certified track bike- Classic round-profile tubing constructed from Alumisonic aluminum- Replaceable stainless steel axle pads- Tapered head tube and tapered steerer carbon fork- Signature Shot Collar seat post clamp- Tire clearance: 700 x 25c Frame All-City Alumasonic, TIG Welded Fork Whisky No.7 RD Tapered Rims Alex AT505, 32h, with CNC Brake Track Hubs JoyTech A565, 32h Tires Donnelly Strada LGG, 700x25, 60tpi Bottom Bracket Square Taper, 68 x 110mm steel cups, sealed bearings Crankset All-City 612 Track Crank, 165mm, 49t ring Cassette/Freewheel All-City standard, 17t Chain KMC B1H-Wide Brakes Tektro R326 Brake Levers Tektro RL340 Handlebars Whisky No.7 Tape/Grips All-City Super-Cush w/ Locking Alloy All-City End Plugs Stem Whisky No.7 Headset Cane Creek 40 Series Seatpost Whisky No.7 Saddle Black Saddle Pedals Sold separately