All-City Big Block Frameset 49cm Lavender -
The Big Block is All-City's vision of the ideal track bike for the modern fixed-gear rider. Fast, stylish and versatile.
- 100% 4130 CroMoly steel frame and fork; double-butted main triangle
- All-City Signature investment-cast stainless steel horizontal track dropouts
- True velodrome geometry, 100% UCI legal
- Tapered fork blades, lugged crown and matching fork ends