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Parts & Accessories Catalog

All-City
All-City Big Block 55cm Track Frame Black/White (FM4703)

$499.00
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The Big Block track frameset represents All-City's vision of the ideal track frame for the modern fixed gear rider.

Features and Information

Big Block
  • Frame: 100% full 4130 ChroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stays
  • Fork: 100% 4130 ChroMoly tapered fork blades, lugged crown and matching dropout
  • Traditional track geometry: This bike was built for the boards. It features the steep angles and quick handling that you'd expect from a traditional track bike. It is 100% UCI track legal and would make an excellent classic velodrome racer
  • Tire clearance: Check that fork crown and subtle dimple on the chain stays, you've got all the clearance you need without the ugliness of big open spaces. Space for 32c's if you're so inclined
  • Steel tubing: Steel remains the preferred material for those who appreciate ride quality. It is the benchmark that all other frame materials are compared to, and for good reason. Nothing matches it's ride, fatigue life, or affordability
  • Signature Dropouts: Investment cast from stainless steel, featuring built in chain tensioners, and the timeless Hennepin Bridge icon
Item Specifications - Fork
Color Black/White
Fork Rake 32 mm
Axle to Crown Length 375 mm
Crown Race 30.0
Brake Type Road Caliper - Short Reach
Wheel Size 700c
Front Hub Spacing 100 mm
Front Axle Type 9x1
Wheel Mount Center Offset 0 mm
Material ChroMoly
Steerer Tube 1-1/8" Threadless
Brake Usage F/R Front
Item Specifications - Frame
Color Black/White
TT (Effective) 56.5 cm
Brake Type Road Caliper - Short Reach
Wheel Size 700c
Headset Type 1-1/8" Standard Cups
BB Shell Width 68 mm
Frame Size 55 cm
Rear Hub Spacing 120 mm
Wheel Mount Center Offset 0 mm
Brake Usage F/R Rear
BB Thread Type English
Seatpost Diameter 27.2 mm
Rear Axle Type 10x1
Click on image to see larger photo

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