Estimate uses the published front tire 700×28 (series unverified) as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
2015 All City Big Block
Original specifications: Track mix drivetrain · 700c wheels.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2015
- Category
- Track
- Sizes
- 46, 49, 52, 55, 58, 61cm
- Colors
- Blue
- In this record
- 17 specifications · 3 archived images
- Archive ID
- 1413755
Original build612 Select ChroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stay · Track mix · 700c
Frameset
| Frame Material | 612 Select ChroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stay |
|---|---|
| Fork | 4130 ChroMoly tapered fork blades, lugged crown and matching dropout. Straight Steertube |
Drivetrain
| Component Group | Track mix |
|---|---|
| Crankset | All-City 612 Track Crank, 165mm, 46 tooth ring |
| Bottom Bracket | 68x110mm steel cups, sealed bearings |
| Rear Cogs | All-City standard 17T |
| Chain | KMC silver 1/8" |
Brakes
| Brakes | Tektro R538, mid reach, front installed, rear included |
|---|
Cockpit & Contact Points
| Headset | Cane Creek 10 series |
|---|---|
| Handlebar | Kalloy Track, 183mm drop |
| Stem | Kalloy 1-1/8th threadless, 26.0 clamp |
| Saddle | All-City Gonzo |
| Seatpost | Kalloy 27.2 |
Wheels & Tires
| Hubs | All-City Standard Fix/Free 32h |
|---|---|
| Rims | Alex DC19 32h |
| Front Tire | Vittoria Zaffiros 700x28, steel bead |
| Wheel Size | 700c |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2015 All City Big Block · Track · Published sizes: 46, 49, 52, 55, 58, 61cm
Frame and fork
Inspect the frame and fork →Archived: Fork: 4130 ChroMoly tapered fork blades, lugged crown and matching dropout. Straight Steertube
Drivetrain
Check drivetrain wear →Archived: Group: Track mix · Crankset: All-City 612 Track Crank, 165mm, 46 tooth ring · Bottom bracket: 68x110mm steel cups, sealed bearings · Rear cogs: All-City standard 17T · Chain: KMC silver 1/8"
Brakes
Inspect the brakes →Archived: Brakes: Tektro R538, mid reach, front installed, rear included
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c · Rims: Alex DC19 32h · Hubs: All-City Standard Fix/Free 32h · Front tire: Vittoria Zaffiros 700x28, steel bead
Controls and contact points
Archived: Headset: Cane Creek 10 series · Handlebar: Kalloy Track, 183mm drop · Stem: Kalloy 1-1/8th threadless, 26.0 clamp · Seatpost: Kalloy 27.2 · Saddle: All-City Gonzo
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
This archive record has limited published detail. Share what would help another rider understand how this model fit, rode and held up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Gallery3 images
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.