All-City Big Block Frameset - 700c Steel Midnight/Frost/Violet 52cm. The Big Block represents All-Citys vision of the ideal track bike for everyday life. Take it to the streets or the boards. Wherever you ride it the Big Block will hold up its end of the deal.612 Select chromoly steel with double-butted main triangle tapered stays and brazed-on seat collar
4130 Chromoly double butted fork with lugged crown and tapered blades
Velodrome legal track geometry
All-City Signature investment-cast stainless steel Hennepin Bridge track dropouts with built-in chain tensioner
E.D. coated for durability and rust prevention
Tire clearance: 700c x 32mm; 28mm with fenders
- TECH SPECS
| Platform | Big Block |
| Mfg Size | 52 |
| TT (Effective) | 550 |
| Frame Type | Rigid |
| Fork Type | Rigid |
| Wheel Size | 700c |
| Frame Material | Steel |
| Fork Material | Steel |
| Color | Black/Purple/Silver |
| Defined Color | Black |
| Front Axle | QR x 100mm |
| Rear Axle | 10x1 Threaded x 120mm |
| Brake Type | Rim |