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.

Highlights

  • 7075-T6 aircraft grade alloy
  • 3/16 inch at the spline
  • 17 grams in 16T
  • Single speed tooth profile

Description

Rennen Single Speed Cogs are precision machined from aircraft quality 7075-T6 Aluminium (83% stronger than 6061) and polished to a beautiful lustre, offering the highest performance at the right price. Rennen Cogs are 3/16" thick at the Spline interface assuring that you won't damage your precious hubs. Only Rennen Cogs offer a single speed specific tooth profile which have been designed to extend tooth life. Get them way up in the 18/19T range to really experiment with that race gearing.

Weight: At 17 grams (16T) this makes Rennen Cogs one of the lightest on the market.

Features
  • 7075-T6 aircraft grade alloy. Precision machined from 7075-T6, which Rennen rate as 83% stronger than 6061.
  • 3/16 inch at the spline. Full thickness where the cog meets the driver, so it will not damage the splines on your hub.
  • 17 grams in 16T. One of the lightest cogs on the market, taking weight straight off the back of the bike.
  • Single speed tooth profile. A single speed specific tooth shape designed to extend tooth life.
  • Polished to a lustre. The finish is polished rather than coated, so it keeps its shine as it wears in.

Specifications
  • Width: 3/16" thick at the spline interface
  • Material: 7075-T6 aluminium
  • Finish: Polished
  • Weight: 17 grams (16T)
  • Note: Larger 18T and 19T sizes suit riders experimenting with race gearing.

Gearing calculator
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Rennen Alloy Cog

Brand: Rennen SKU:

From

$50.00 USD

 $61.00 USD

Or 4 payments of $12.50 USD with

Colour - Blue

Teeth - 14T

Rennen Alloy Cog - Blue / 14T

Discount 18%

Instead of $61.00

$50.00 USD

Price match request

$12.99 flat-rate shipping Australia-wide

Express from $21.99

Free in-store pickup - Brisbane

Availability

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13T
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22T
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25T

● In stock at LUXBMX ● With supplier ● Preorder ○ Sold out

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