Rear Cogs

Shop here for Australia's largest selection of rear BMX race cogs. We have the cogs that fit the popular Shimano HG style cassette hub, Profile cogs for Profile hubs and Onyx cogs in aluminium and stainless steel on both HG and Ultra SS fitment.

While you're changing up your drivetrain, once you have the cog, jump on over to the Chainring section and then the Chain Section to refresh the whole power train!

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Onyx Ultra SS Cog / 19T
Onyx Ultra SS Cog
From

$104.99 AUD
Redline Chromoly Cassette Cog / 13T 3/32 Redline Chromoly Cassette Cog / 14T 3/32
Redline Chromoly Cassette Cog
From

$14.99 AUD
Onyx Aluminium HG Cog / Black / 18T
Onyx Aluminium HG Cog
From

$74.99 AUD
Save $2.00
Black metal Excess Steel Cog 3/32 Shimano Fitment bicycle sprocket isolated on a white background. Six variously sized and shaped Excess Steel Cog 3/32 Shimano Fitment cassette hubs aligned in a row on a white background.
brand undefined Excess Steel Cog 3/32 Shimano Fitment

$17.99 AUD

 From

$19.99 AUD
Onyx Stainless HG Cog / 13T The Onyx Stainless HG Cog Rear Cogs are made from durable silver stainless steel, featuring twelve evenly spaced teeth and a central hole with Shimano Fitment for optimal performance on any terrain.
Onyx Stainless HG Cog Rear Cogs
From

$104.99 AUD
Save $2.00
Profile Cassette Cog / 17T
Profile Cassette Cog

$67.99 AUD

 From

$69.99 AUD
Save $5.00
Elevn Cro-Mo Cog 3/32 Shimano Comp / 18T (Black) A silver Elevn Cro-Mo Cog 3/32 Shimano Comp with intricate cut-outs and text engravings including the phrases "designed in California," "SRAM," and "Shimano compatible.
brand undefined Elevn Cro-Mo Cog 3/32 Shimano Comp

$59.99 AUD

 From

$64.99 AUD
Tangent Cassette Cog / Black / 19T
Tangent Cassette Cog
From

$54.99 AUD
Red anodized Elevn Alloy Cog 3/32 Shimano Comp bicycle cog with white branding text, isolated on a white background. Blue anodized Elevn Alloy Cog 3/32 Shimano Comp bicycle chainring with engraved text and numbers, isolated on a white background.
brand undefined Elevn Alloy Cog 3/32 Shimano Comp
From

$64.99 AUD
Profile Elite Cassette Cog / 18T
Profile Elite Cassette Cog
From

$87.99 AUD
Profile Cassette Cog Alloy / 17T
Profile Cassette Cog Alloy
From

$79.99 AUD
Sold out
BOX One Pinion CrMo Cog / 13T
brand undefined Box One Pinion CrMo Cog
From

$49.99 AUD
Answer Aluminium Screw On Cog / Black / 18T
brand undefined Answer Alumilite Aluminium Screw On Cog
From

$64.99 AUD
The black Rennen Alloy Cog, made from 7075-T6 Aluminium, has 12 rounded teeth with a single speed specific profile and a central hole, shown from above on a white background. The Rennen Alloy Cog, made from 7075-T6 Aluminium, boasts a 12-tooth single-speed design and intricate inner details on a white background.
Rennen Alloy Cog
From

$69.99 AUD
A black Steel Lock ring with notched edges and arrow indicators, labeled "LOCK" and "30-40Nm," designed for the Novatec S/S Cassette hub.
Lock Ring Suit Novatec S/s Cassette hub
From

$19.99 AUD
The Arise Echo Cog (Chromoly) is a black metal sprocket with 16 teeth, engraved with "ABUS TECHNOLOGIES" and other specifications. Meticulously CNC machined, it offers precision and durability similar to Shimano HyperGlide standards. A black, circular CNC machined Chromoly Arise Echo Cog with 14 teeth and evenly spaced holes features engraved Shimano HyperGlide specs.
Arise Echo Cog (Chromoly)
From

$44.99 AUD
Sold out
Close-up of a CNC machined Arise Echo Cog (Alloy) sprocket made from 7075-T6 Aluminium, featuring multiple teeth. Engraved details include specifications and prominently display the Shimano HyperGlide brand name. The Arise Echo Cog (Alloy) is a silver 15T bicycle sprocket, CNC machined from durable 7075-T6 Aluminium, featuring engraved text like "ALLOY" and "ARISE TECHNOLOGIES," and is compatible with Shimano HyperGlide systems.
Arise Echo Cog (Alloy)
$44.99 AUD
Box Hex Lab Titanium Cog chainring with hexagonal cut-outs and branding engravings.
brand undefined Box Hex Lab Titanium Cog
From

$169.99 AUD
The SD Ace Shimano Cassette Cog is a black, lightweight 13-tooth aluminium sprocket with a hollowed design and central mounting hole, compatible with Shimano HG cassette hub drivers.
SD Ace Shimano Cassette Cog
From

$89.99 AUD
A black Echo Chromo Cassette Rear Sprocket, CNC machined chromoly with white text. A black metal Echo Chromo Cassette Rear Sprocket with 13 teeth, featuring technical specs and brand markings, is shown against a white background.
Echo Chromo Cassette Rear Sprocket
From

$49.99 AUD
The Echo Alloy Cassette Rear Sprocket is a silver 14-tooth cog CNC machined from 7075-T6 aluminium, with technical specs and "ARISE TECHNOLOGIES" engraved around the center. The Echo Alloy Cassette Rear Sprocket, a silver CNC-machined 15T cog made from durable 7075-T6 aluminium and labeled "70T518-ALLOY-3/32", "ARSÉ TECHNOLOGIES", and "15T", is shown on a white background.
Echo Alloy Cassette Rear Sprocket
From

$49.99 AUD