2021 All-City Cycles Big Block Base 55cm

Build

700C/29 in × 32 mm

Insights

Average stack and reach vs trend of track/fixed-gear bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
567mm
Reach
408mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-TTT
550mm
Top Tube Length, Effective/Horizontal HT Top
565mm
Top Tube Slope
1.8deg
Head Tube Angle
74.5deg
Seat Tube Angle
74.5deg
Head Tube Length
150mm
Bottom Bracket Drop
58mm
Bottom Bracket Height
285mm
Chainstay Length
396mm
Chainstay Length Horizontal
391.7mm
Front-Center
585.2mm
Front-Center Horizontal
582.3mm
Wheelbase
974mm
Fork Offset/Rake
32mm
Fork Length (Axle-To-Crown)
375mm
Trail
61.9mm
mid/​neutral
Mechanical Trail
59.7mm
Wheel Flop
15.9mm
Standover Height
821mm
Tire to Pedal Spindle Distance
With 165 mm cranks
77.2mm
Pedal Spindle to Ground Clearance
With 165 mm cranks
120mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1660mm
Crank Length
165mm
Handlebar Width
720mm
Stem Length
100mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Features
Single-speed capable
Source:https://allcitycycles.com/bikes/big_block