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