Velopedia Bicycle Archive

2011 Breezer Thunder Comp

Original specifications: Shimano SLX drivetrain · 26" wheels · 27.71 lb published weight.

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At a glance

Archive #23144
Model year
2011
Category
Mountain
Sizes
XS, S, M, L, XL
Colors
Blue/White
Weight
27.71 lb
In this record
25 specifications
Model history 1 other year

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Identification clues

2011 archived details

Published colors
Blue/White
Frame
Alloy
Original equipment
Shimano SLX

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

Campaign
Original buildAlloy · Shimano SLX · 26" wheels

Historical catalog variants

Archived sizes and colors

5 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

XSSMLXL

Published colors

Blue/White
View 5 archived size/color combinations
SizeColor
XSBlue/White
SBlue/White
MBlue/White
LBlue/White
XLBlue/White

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialAlloy
ForkSRAM Recon Silver TK Coil, 100mm travel
Fork MaterialSingle

Drivetrain

Component GroupShimano SLX
ShiftersShimano SLX
Front DerailleurShimano SLX 661-10D, 34.9mm bottom swing top pull
Rear DerailleurShimano SLX 663 SGS shadow
CranksetShimano M552, 24/32/42 teeth
Bottom BracketShimano External
CassetteShimano SLX
Rear Cogs10-speed, 11 - 34 teeth
ChainShimano HG74
PedalsNot included

Brakes

BrakesShimano BR-M575 brakes, Shimano BL-M575 levers

Cockpit & Contact Points

Headset1 1/8" threadless VP
HandlebarOval M-600 7050 flat bar
Handlebar ExtensionsNot included
StemOval M-600 MTB alloy
SaddleVelo VL-1205 w/steel rails
SeatpostOval M-600 TBT MTB Post, 27.2mm diameter

Wheels & Tires

HubsShimano M595
RimsMavic XM317, 32-hole
Front Tire26 x 2.1" WTB Wolverine Comp
Wheel Size26" wheels

Gearing

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

RPM

RPM = pedal turns per minute.

All published sizes42/32/24T · 11–34T · 10-speed
Lowest0.71:1 Highest3.82:1 Total range541%
Estimated speed At 90 RPM Lowest gear5.0 mph Highest gear26.8 mph

Uses front tire 26×2.1; 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
Seatpost · Original
Oval M-600 TBT MTB Post

27.2mm diameter

Retailer offers
Chain · Original
Shimano HG74
Front tire · Original
26 x 2.1" WTB Wolverine Comp
More parts (7)Fewer parts
Brake pads · Original
Shimano BR-M575 brakes

Shimano BL-M575 levers

Crankset · Original
Shimano M552

24/32/42 teeth

Front derailleur · Original
Shimano SLX 661-10D

34.9mm bottom swing top pull

Rear derailleur · Original
Shimano SLX 663 SGS shadow
Shifters · Original
Shimano SLX
Rims · Original
Mavic XM317

32-hole

Hubs · Original
Shimano M595

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Parts and service referenceQuick reference before buying parts

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

Front tire
26 x 2.1" WTB Wolverine Comp
Drivetrain
10-speed
Seatpost diameter
27.2 mm
Bottom bracket / shell
Shimano External
Equipment inspection checks 11 checks based on 6 archived component groups Open equipment checksClose equipment checks
0 of 11 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 →

Archived: Frame: TIG-welded · Fork: SRAM Recon Silver TK Coil, 100mm travel · Single

Archived: Fork: SRAM Recon Silver TK Coil, 100mm travel

Archived: Group: Shimano SLX · Shifters: Shimano SLX · Front derailleur: Shimano SLX 661-10D, 34.9mm bottom swing top pull · Rear derailleur: Shimano SLX 663 SGS shadow · Crankset: Shimano M552, 24/32/42 teeth · Bottom bracket: Shimano External · Cassette: Shimano SLX · Rear cogs: 10-speed, 11 - 34 teeth · Chain: Shimano HG74

Archived: Brakes: Shimano BR-M575 brakes, Shimano BL-M575 levers

Archived: Wheel size: 26" wheels · Rims: Mavic XM317, 32-hole · Hubs: Shimano M595 · Front tire: 26 x 2.1" WTB Wolverine Comp

Controls and contact points

Archived: Headset: 1 1/8" threadless VP · Handlebar: Oval M-600 7050 flat bar · Stem: Oval M-600 MTB alloy · Seatpost: Oval M-600 TBT MTB Post, 27.2mm diameter · Saddle: Velo VL-1205 w/steel rails · Pedals: Not included

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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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