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All-City Big Block Bike - 700c Steel Night Sky / Smoke 49cm. 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
| Color | Night Sky / Smoke |
| Mfg Size | 49 |
| Rear Axle | 10x1 Threaded x 120mm |
| Platform | Big Block |
| TT (Effective) | 535 |
| Brake Type | Rim |
| Wheel Size | 700c |
| Fork Type | Rigid |
| Fork Material | Steel |
| Frame Material | Steel |
| Frame Type | Rigid |
| Defined Color | Multi-Color |
| Front Axle | QR x 100mm |
