Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2010 Breezer Thunder Comp and 2011 Breezer Thunder Comp.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2010 Breezer Thunder Comp44/32/22T · 11–32T · 9-speed
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gear4.8 mphHighest gear28.1 mph

Uses front tire 26×2.1; rear size isn’t listed.

2011 Breezer Thunder Comp42/32/24T · 11–34T · 10-speed
Lowest0.71:1Highest3.82:1Total range541%
Estimated speed at 90 RPMLowest gear5.0 mphHighest 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.

Try other gearing

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
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Specification
2010 Breezer Thunder Comp
2011 Breezer Thunder Comp
Overview
Model Year
2010
2011
Brand
Breezer
Breezer
Model
Thunder Comp
Thunder Comp
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Colors
Chrome Red
Blue/White
Sizes
17", 19.5", 21.5"
XS, S, M, L, XL
Weight
—
27.71 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Breezer D-Fusion custom butted 6061 alloy
Alloy
Fork
Fox 32 F100 RL, 100mm travel
SRAM Recon Silver TK Coil, 100mm travel
Fork Material
Single
Single
Drivetrain
Component Group
Shimano Deore Mix
Shimano SLX
Shifters
Shimano Deore RapidFire
Shimano SLX
Front Derailleur
Shimano Deore, 34.9mm top swing dual pull
Shimano SLX 661-10D, 34.9mm bottom swing top pull
Rear Derailleur
Shimano SLX
Shimano SLX 663 SGS shadow
Crankset
Shimano Deore, 22/32/44 teeth
Shimano M552, 24/32/42 teeth
Bottom Bracket
Shimano External
Shimano External
Cassette
Shimano CS-HG61
Shimano SLX
Rear Cogs
9-speed, 11 - 32 teeth
10-speed, 11 - 34 teeth
Chain
Shimano CN-HG53
Shimano HG74
Pedals
Not included
Not included
Brakes
Brakes
Shimano Deore hydraulic disc w/180mm rotor front/Shimano Deore Hydraulic disc w/160mm rotor rear brakes, Shimano Deore hydraulic levers
Shimano BR-M575 brakes, Shimano BL-M575 levers
Cockpit & Contact Points
Headset
1 1/8" integrated Ritchey Pro Logic Zero
1 1/8" threadless VP
Handlebar
Ritchey Comp Low Rizer 620mm wide, 20mm rise
Oval M-600 7050 flat bar
Handlebar Extensions
Not included
Not included
Stem
Ritchey Comp
Oval M-600 MTB alloy
Saddle
WTB Silverado Comp
Velo VL-1205 w/steel rails
Seatpost
Ritchey Comp 2 bolt
Oval M-600 TBT MTB Post, 27.2mm diameter
Wheels & Tires
Hubs
Shimano Deore disc
Shimano M595
Rims
Mavic XM317, 32-hole
Mavic XM317, 32-hole
Spokes
Stainless, 14/15/14ga. (2.0/1.8/2.0mm) butted
—
Front Tire
26 x 2.1" Ritchey Z-Max Evolution Pro Foldable
26 x 2.1" WTB Wolverine Comp
Wheel Size
26" wheels
26" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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