The Big Block represents our vision of the ideal track frame for the modern fixed-gear rider. This is the track bike that we’ve always dreamed of owning and we 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 we 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. Our 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. We add an E.D. coating for rust prevention before applying a classic wet paint finish. Attention to detail is our mantra and it shows in every aspect of this meticulously-designed, beautifully-constructed track racer.

Available to order £650.00

THE DETAIL

612 SELECT TUBING

We’ve carefully chosen every piece of tubing on every frame size to provide the best ride possible.

DRILLED FOR BRAKES

Drilled for front and rear brakes when quick and safe stopping is needed off the track.

TYRE CLEARANCE

Run 25c tyres on the track or swap ‘em out for 32c cross tyres when you’re ready to hit the street.

LUGGED FORK CROWN

Thoughtful custom touches add class and style — perhaps where you least expect it.

SIGNATURE SEAT COLLAR

Train your eyes on that timeless and tasteful brazed-on seat collar, elegantly designed around the All-City logo.

CUSTOM DROPOUTS

Signature Hennepin Bridge Dropouts add grace and a dash of pride for AC’s home turf.

REINFORCED BOTTLE BOSSES

Beautiful stars reinforce the bottle bosses and our obsessive attention to detail.

LIQUID PAINT AND E.D. COAT

Our topnotch wet paint finish sparkles with depth and luster, while an E.D. coating protects against rust.

SPECIFICATIONS

Frame: 612 Select Chromoly Steel

Fork: 612 Select Chromoly Steel

Rear Spacing: 120mm

Brake Mount Type: Rim, Short Reach

Headtube Upper (SHIZ): EC34

Headtube Lower (SHIZ): EC34

Seatpost Diameter: 27.2mm

Seat Collar: All-City Signature Brazed-On

Max Tire Size: 700x32, 700x28 with fenders

Tire Size Range: 700x25 to 32

Crankset (Max Ring): 1x: 60t max

Bottom Bracket: English Threaded, BSA 68 shell

Bottle Mounts: One, located on Down Tube

Front Hub Spacing (OLD): 100mm

Stem Clamp (SHIZ): Ø28.6mm

Crown Race (SHIZ): Ø30mm

Axle to Crown: 375mm

Fork Offset: 32mm

Extras E.D. coated for durability and rust prevention

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