All-City's Big Block is the face of modern fixed-gear riding, equally at home taking on the city streets as it is pounding the boards at the local velodrome. The classic chromoly steel frame features UCI-legal track geometry that's as sharp as a tack and lets you transition seamlessly from the street to the track. The frame also accommodates up to 32mm-wide tires and includes a single set of water bottle bosses, increasing the Big Block's versatility even further. All-City's own 612 track crank and fixed cog turn over a pair of Alex/All-City wheels wrapped in Vittoria tires, a rock-solid drivetrain for competition and around-town escapades. An All-City saddle provides an excellent perch, and all your favorite All-City details are present, including Hennepin Bridge track dropouts with integrated chain tensioners, a lugged, straight blade fork, and stylish integrated seatpost collar.

All-City's Big Block is the face of modern fixed-gear riding, equally as at home on city streets as it is pounding the boards at the local velodrome. The classic 612 Select chromoly steel frame soaks up bumps and sprints like a champ, so you can transition seamlessly from the street to the track. Instead of the track bike norm 25c max tire clearance, it fits a 32c cross tire and has a single set of water bottle mounts for all day in the saddle. The front and rear of the bike are drilled out for a brake, so single speeding (or double brake fixed) is no problem. All-City's own 612 track crank and fixed cog turn over a pair of Sun/All-City wheels wrapped in Vittoria tires—a rock-solid drivetrain for competition and around-town escapades. An All-City saddle provides an excellent perch, and the package is finished off with a custom headtube badge, brazed-on seat collar, custom bottom bracket, and signature Hennepin Bridge dropouts, all ED coated for rust protection.

The Big Block represents our vision of the ideal track frame for the modern fixed-gear rider. This is the track bike that All-City has always dreamed of owning and they are proud to make that dream available to you. It was designed first and foremost as a true competition-ready track frame but was destined to see usage beyond the velodrome, so they made some tweaks to the equation. Instead of the track bike norm 25c max tire clearance, it fits a 32c cross tire and has a single set of water bottle mounts for all day in the saddle. The front and rear of the bike are drilled out for a brake, so single speeding (or double brake fixed) is no problem. The proprietary 612 Select double-butted cro-moly steel soaks up bumps and sprints like a champ. Each piece of tubing on every frame size has been carefully scrutinized and specifically chosen to create the best ride possible. This includes butting placement, tubing diameter and wall thickness. The package is finished off with a custom headtube badge, brazed-on seat collar, custom bottom bracket and signature Hennepin Bridge dropouts. All-City added an E.D. coating for rust prevention before applying a classic wet paint finish. Attention to detail is All-City's mantra and it shows in every aspect of this meticulously-designed, beautifully-constructed track racer.

All-City's Big Block is the face of modern fixed-gear riding, equally at home taking on the city streets as it is pounding the boards at the local velodrome. The classic chromoly steel frame rolls with UCI-legal track geometry that's as sharp as a tack and lets you transition seamlessly from the street to the track. The frame also accommodates up to 32mm-wide tires and includes a single set of water bottle bosses, increasing the Big Block's versatility even further. The Big Block is drilled for both front and rear brakes so you can choose how much stopping power you need. And all your favorite All-City details are present, including Hennepin Bridge dropouts with integrated chain tensioners, a lugged, straight blade fork, and stylish integrated seatpost collar.