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!
21 products
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Onyx Ultra SS Cog / 19T
Onyx Ultra SS Cog

$75.00 USD

14T15T16T17T18T19T
Redline Chromoly Cassette Cog / 13T 3/32
Redline Chromoly Cassette Cog / 14T 3/32
Redline Chromoly Cassette Cog / 15T 3/32
Redline Chromoly Cassette Cog / 16T 3/32
Redline Chromoly Cassette Cog / 17T 3/32
Redline Chromoly Cassette Cog / 18T 3/32
Redline Chromoly Cassette Cog / 19T 3/32
Redline Chromoly Cassette Cog

$11.00 USD

13T14T15T16T17T18T19T
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.
Excess Steel Cog 3/32 Shimano Fitment

$13.00 USD

$15.00 USD

12T13T14T15T16T17T18T
Onyx Aluminium HG Cog / Black / 18T
Onyx Aluminium HG Cog

$54.00 USD

14T15T16T17T18T
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

$75.00 USD

12T13T14T15T16T17T18T19T
Save $4.00
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.
Elevn Cro-Mo Cog 3/32 Shimano Comp

$43.00 USD

$47.00 USD

14T15T16T17T18T
Sold out
Profile Cassette Cog / 17T
Profile Cassette Cog

$49.00 USD

16T12T13T14T15T17T
Black and white Elevn Alloy Cog 3/32 Shimano Comp with intricate cut-out details and CNC 7075 T6 Alloy inscriptions on the surface.
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.
A silver Elevn Alloy Cog 3/32 Shimano Comp bicycle cassette sprocket isolated on a white background, with the brand name visible on the teeth.
Elevn Alloy Cog 3/32 Shimano Comp

$47.00 USD

Black
Blue
Polished
Red
14T15T16T17T18T
Tangent Cassette Cog / Black / 19T
Tangent Cassette Cog

$39.00 USD

15T16T17T13T14T18T19T
Profile Elite Cassette Cog / 18T
Profile Elite Cassette Cog

$63.00 USD

16T17T18T
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.
The Rennen Alloy Cog is a shiny metallic bicycle sprocket with 12 single speed specific tooth profiles, crafted from 7075-T6 Aluminium, set against a white background.
A bronze gear-like metal object, crafted from 7075-T6 Aluminium with twelve teeth and circular grooves, shown on a white background. This Rennen Alloy Cog boasts a single speed specific tooth profile for optimal performance.
The Rennen Alloy Cog is a circular blue gear with a single speed-specific tooth profile, made from 7075-T6 Aluminium and featuring a decorative design, likely used for mechanical applications. It is displayed on a pristine white background.
Rennen Alloy Cog

$50.00 USD

$61.00 USD

Black
Polished
Gold
Blue
Red
13T14T15T16T17T18T19T20T21T22T23T24T25T
Profile Cassette Cog Alloy / 17T
Profile Cassette Cog Alloy

$57.00 USD

13T14T15T16T17T
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

$15.00 USD

Black
-
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.
The Echo Alloy Cassette Rear Sprocket is a silver, CNC-machined 16-tooth cog made from 7075-T6 aluminium with multiple center holes, “7075-T6 ALLOY - 3/32” and “ARISE TECHNOLOGIES” labels, and Shimano HyperGlide compatibility.
A silver Echo Alloy Cassette Rear Sprocket with 16 teeth and circular cutouts, CNC machined from durable 7075-T6 aluminium, features technical markings for specifications.
The Echo Alloy Cassette Rear Sprocket is a silver CNC-machined 7075-T6 aluminium cog with 18 teeth and multiple circular cutouts, shown from above against a white background.
Echo Alloy Cassette Rear Sprocket

$36.00 USD

Silver
14T15T16T17T18T
Sold out
BOX One Pinion CrMo Cog / 13T
Box One Pinion CrMo Cog

$36.00 USD

13T
Answer Aluminium Screw On Cog / Black / 18T
Answer Alumilite Aluminium Screw On Cog

$47.00 USD

13T14T15T16T17T18T
Sold out
A black, circular CNC machined Chromoly Arise Echo Cog with 14 teeth and evenly spaced holes features engraved Shimano HyperGlide specs.
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.
Arise Echo Cog (Chromoly)

$32.00 USD

Grey
16T17T
The SD-X Sniper Evo Cog Alloy Black is a black 15T BMX racing cog made from durable 7075 aluminium, featuring engraved text, an irregular-edged central cutout, and compatibility with Sniper Evo rear hubs.
SD-X Sniper Evo Cog Alloy Black

$71.00 USD

Black
15T16T17T18T19T20T
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

$64.00 USD

Black
15T16T17T18T
Box Hex Lab Titanium Cog chainring with hexagonal cut-outs and branding engravings.
Box Hex Lab Titanium Cog

$121.00 USD

151617
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.
The Echo Chromo Cassette Rear Sprocket is a black, CNC-machined cog with 18 teeth and circular cutouts, marked “ARISE TECHNOLOGIES” plus specs—part of the Arise Echo Cogs lineup.
Echo Chromo Cassette Rear Sprocket

$36.00 USD

Black
14T15T18T