NEW All-City Big Block - Night Sky / Smoke Track Bike

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

Build Kit

• Frame : 612 Select Chromoly Steel
• Fork : All-City Big Block Signature Fork
• Cassette/Cog : All-City standard, 17t
  
• Chain : KMC B1H-Wide
• Crankset : All-City 612 Track Crank, 165mm, 46t ring
• Bottom Brcket : Square Taper, 68x110mm steel cups, sealed bearings
• Brakes Levers : Tektro FL750
• Brakes : Tektro R539
• Headset : Cane Creek 40 Series
• Stem : JD Components, AL6061, 3D forged, 4-bolt stem, 31.8mm, ±7°
• Handlebar : JD Components, AL6061, 720mm wide, 20mm rise
• Seatpost : JD Components, AL6061, 27.2, 12mm Offset
• Saddle : All-City Gonzo
• Wheels : Alex DH19, 32h rims, JoyTech Hubs
• Tires : Vittoria Zaffiros IV, 700c x 28mm

Sizing

Please note this is an approximate range and the buyer is responsible for verifying the fit before purchase.

• 46cm 5'1" - 5'7"
• 49cm 5'5" - 5'10"
• 52cm 5'6" - 5'11"
• 55cm 5'9" - 6'1"
• 58cm 5'1" - 6'4"
• 61cm 6'1" - 6'6"

Geometry

Frame measurements (mm)	46cm	49cm	52cm	55cm	58cm	61cm
A. BB Drop	58	58	58	58	58	58
B. Chainstay Length	396	396	396	396	396	396
C. Fork Length - Axle to Crown	375	375	375	375	375	375
D. Fork Offset	32	32	32	32	32	32
E. Head Tube Angle (deg)	73	73.5	74	74.5	74.5	75
F. Headtube Length	95	110	130	150	175	200
G. Reach	382	393	398	408	421	434
H. Seat Tube Angle (deg)	75	75	74.5	74.5	74.5	74.5
I. Seat Tube Length - Center to Top	460	490	520	550	580	610
J. Stack	509	525	546	567	591	616
K. Standover	743	767	793	819	846	874
L. Top Tube Length (Effective)	520	535	550	565	585	605
M. Wheelbase	945	957	963	974	994	1009
Component measurements (mm)
Crank Arm Length	165	165	165	165	165	165
Handlebar Width	720	720	720	720	720	720
Seatpost Offset	12	12	12	12	12	12
Stem Length	80	90	100	100	110	110
Stem Angle (deg)	7	7	7	7	7	7