Velopedia Bicycle Archive

2008 Jamis Sonik

Original specifications: Track Mix drivetrain · 700c wheels · 15.5 lb published weight.

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At a glance

Archive #24581

Model year: 2008
Category: Track
Original MSRP: $1,275.00
Sizes: 48cm, 51cm, 54cm, 56cm, 58cm, 61cm
Colors: Pearl White
Weight: 15.5 lb
In this record: 20 specifications · archived image · original MSRP

Model history 4 other years

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Identification clues

2008 archived details

Published colors: Pearl White
Frame: 7005 aluminum
Original equipment: Track Mix

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

Original build7005 aluminum · Track Mix · 700c wheels

Historical catalog variants

Archived sizes and colors

6 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

48cm51cm54cm56cm58cm61cm

Published colors

Pearl White

View 6 archived size/color combinations

Size	Color
48cm	Pearl White
51cm	Pearl White
54cm	Pearl White
56cm	Pearl White
58cm	Pearl White
61cm	Pearl White

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame Construction	TIG-welded
Frame Material	7005 aluminum
Fork	Jamis Aero
Fork Material	Carbon/carbon steerer, aero crown

Drivetrain

Component Group	Track Mix
Crankset	TruVativ Omnium 1.1, 48 teeth
Bottom Bracket	TruVativ Giga X Pipe
Cassette	Chromoly cog
Rear Cogs	1-speed, 15 teeth
Chain	KMC Z510H, 1/2 x 1/8"
Pedals	Not included

Cockpit & Contact Points

Headset	1 1/8" threadless Internal AheadSet
Handlebar	Easton EA50
Stem	Easton EA50 31.8mm clamp
Saddle	Selle San Marco Blaze
Seatpost	Jamis Aero Carbon

Wheels & Tires

Hubs	American Classic Track
Rims	American Classic 420 Track, 20-hole/24-hole
Front Tire	700 x 20c Vittoria UltraSpeed
Wheel Size	700c wheels

Gearing

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

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

All published sizes48T · 15T · 1-speed

Ratio3.20:1

Estimated speed At 90 RPM Gear22.3 mph

Uses front tire 700C×20; 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.

Try other gearing

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

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

Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

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

Rear tire

Rear tire marking

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).

Rim diameter (BSD, mm) Tire width (mm)

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.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

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

Parts & serviceability

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Original specifications

Front tire · Original

700 x 20c Vittoria UltraSpeed

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Handlebar · Original

Easton EA50

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Stem · Original

Easton EA50 31.8mm clamp

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Parts and service referenceQuick reference before buying parts

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

Front tire: 700 x 20c Vittoria UltraSpeed
Drivetrain: 1-speed
Bottom bracket / shell: TruVativ Giga X Pipe

Equipment inspection checks 9 checks based on 4 archived component groups Open equipment checksClose equipment checks

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: TIG-welded · Fork: Jamis Aero · Carbon/carbon steerer, aero crown

Look for dents or shape changes and inspect the edges of welds around the head tube, bottom bracket, seat cluster and suspension mounts for hairline cracks.
Inspect the fork crown, blades, dropouts and visible steerer area. Check that it is straight, securely installed and free of cracks or impact damage.

Drivetrain

Check drivetrain wear →

Archived: Group: Track Mix · Crankset: TruVativ Omnium 1.1, 48 teeth · Bottom bracket: TruVativ Giga X Pipe · Cassette: Chromoly cog · Rear cogs: 1-speed, 15 teeth · Chain: KMC Z510H, 1/2 x 1/8"

Check chain tension and chainline, rotate the drivetrain through a full revolution and confirm the rear axle or tensioning hardware cannot slip.
Measure chain wear with a compatible gauge and inspect chainring, cassette or freewheel teeth. A new chain does not rule out wear in the remaining drivetrain.
Turn the cranks slowly, feel for rough bearings and check for side-to-side play. Inspect crank arms, chainring bolts and pedal threads for looseness or damage.

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 700c wheels · Rims: American Classic 420 Track, 20-hole/24-hole · Hubs: American Classic Track · Front tire: 700 x 20c Vittoria UltraSpeed

Spin both wheels and watch for side-to-side and vertical movement. Check spoke tension, rim condition and hub play.
Inspect both tire casings for cuts, cracking, plugs, bulges or exposed threads and confirm the installed sizes are safe for the rims and available frame and fork clearance.

Controls and contact points

Archived: Headset: 1 1/8" threadless Internal AheadSet · Handlebar: Easton EA50 · Stem: Easton EA50 31.8mm clamp · Seatpost: Jamis Aero Carbon · Saddle: Selle San Marco Blaze · Pedals: Not included

Apply the front brake and rock the bike to check for headset play or notchiness. Inspect the stem, handlebar and clamp zones, then confirm every fastener and control is secure.
Check that the seatpost moves for adjustment and that the saddle, post and clamp hold securely without cracks, severe corrosion or damaged hardware.

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

2008 Jamis Sonik