All-City 55cm Big Block Frameset, Black/Green Sparkle

The Big Block represents All-City's 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 Additional Information Color Black/Green Sparkle Defined Color Black Mfg Size 55 Mfg Size 55.0 TT (Effective) 56.5 Frame Type Rigid Fork Type Rigid Wheel Size 700c Frame Material Steel Fork Material Steel Color Black/Green Sparkle Defined Color Black Front Axle 9x1 Threaded x 100mm Rear Axle 10x1 Threaded x 120mm Brake Type Rim