Velopedia Bicycle Archive

2015 Sunday Primer 16

Original specifications: BMX mix drivetrain · 16 wheels · 23.3lbs published weight.

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At a glance

Archive #1221171
Model year
2015
Category
Kids
Original MSRP
$340.00
Sizes
16.5 TT
Colors
Orange
Weight
23.3lbs
In this record
21 specifications · original MSRP
Model history 1 other year

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Identification clues

2015 archived details

Published colors
Orange
Frame
Steel, Chromoly Dropouts
Original equipment
BMX mix

Clues, not proof of model year. Colors vary and components may have been replaced.

Campaign
Original buildSteel, Chromoly Dropouts · BMX mix · 16

Manufacturer catalog

Published sizes and colors

1 size · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

16.5 TT

Published colors

Orange

Frameset

Frame Constructionwelded
Frame MaterialSteel, Chromoly Dropouts
ForkPrimer 16" Fork w/ Chromoly Dropout
Fork MaterialSteel

Drivetrain

Component GroupBMX mix
Crankset140mm, 3-piece, Chromoly, Sunday , 25T, Steel
Bottom Bracket19mm Sealed Mid
Rear Cogs10t
ChainKMC Z410
PedalsWellgo

Brakes

BrakesSunday 16" Specific, Odyssey Springfield

Cockpit & Contact Points

HeadsetSunday Integrated, Sunday M6 Pre-Load Bolt
HandlebarPrimer 16 6.8" Rise, 23" Width, 12° Backsweep, 1° Upsweep
StemSunday Top-Load 40mm
SaddleJunior Seat and Post Combo
SeatpostIntegrated

Wheels & Tires

HubsSunday, Low-Flange, Looseball, Sunday, Semi-Sealed, 10T Driver
Rims16" Rim
SpokesSteel Black
Front TireSunday Current 16 x 2.1" (F & R)
Wheel Size16

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

Published build25T · 10T
Ratio2.50:1
Estimated speed At 90 RPM Gear10.9 mph

Uses front tire 16×2.1; rear size isn’t listed.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

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Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Front tire · Original
Sunday Current 16 x 2.1" (F & R) Replacement search: 16x2.1 bicycle tire Before ordering: Check rim type and tire clearance.
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Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
Sunday Current 16 x 2.1" (F & R)
Drivetrain
BMX mix
Bottom bracket / shell
19mm Sealed Mid
Campaign
Equipment inspection checks 10 checks based on 5 archived component groups Open equipment checksClose equipment checks
0 of 10 checked Progress stays in this browser for this record.

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Frame and fork

Inspect the frame and fork →

Archived: Frame: welded · Fork: Primer 16" Fork w/ Chromoly Dropout · Steel

Drivetrain

Check drivetrain wear →

Archived: Group: BMX mix · Crankset: 140mm, 3-piece, Chromoly, Sunday , 25T, Steel · Bottom bracket: 19mm Sealed Mid · Rear cogs: 10t · Chain: KMC Z410

Brakes

Inspect the brakes →

Archived: Brakes: Sunday 16" Specific, Odyssey Springfield

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 16 · Rims: 16" Rim · Hubs: Sunday, Low-Flange, Looseball, Sunday, Semi-Sealed, 10T Driver · Front tire: Sunday Current 16 x 2.1" (F & R)

Controls and contact points

Archived: Headset: Sunday Integrated, Sunday M6 Pre-Load Bolt · Handlebar: Primer 16 6.8" Rise, 23" Width, 12° Backsweep, 1° Upsweep · Stem: Sunday Top-Load 40mm · Seatpost: Integrated · Saddle: Junior Seat and Post Combo · Pedals: Wellgo

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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