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New From OneUp Components – X-Cog 44t Cassette Sprocket and SDM Chainrings

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The folks over at OneUp Components have a couple of new drivetrain components that are designed for SRAM XX systems. They’ve identified a couple of issues that owners of these drivetrain systems are encountering and have come up with solutions to extend the life and versatility of the SRAM XX system.

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First up is the X-Cog 44T Sprocket for XX1/X01

OneUp your XX1/X01 cassette with the X-Cog 44T expander sprocket. It extends the life and range of your 10-42T cassette by replacing your worn aluminum 42T with the X-Cog 44T sprocket.

One up explains that the XX1/X01 cassettes have steel sprockets from 10-36T (X-dome) and that it’s never recommended to use aluminum for cassette sprockets 36T or smaller as they will wear out very quickly due to the higher tooth loading.

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Riders who spend a lot of time in the 42T can wear out the Aluminum sprocket faster than the rest of their steel cassette. Instead of throwing away a $400 cassette that’s still 90% good, the X-Cog gets you rolling again for an MSRP of $90.

The X-Cog provides more range, not just an easier granny gear.

X-COG SPEC

  • Price: $90 USD
  • Material: 7075-T6 Aluminum
  • Weight:100g
  • Compatibility: SRAM XX1 and X01 (Not compatible with X1 or GX fully pinned cassettes)
  • Colors: Black, Green

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Next up are the OneUp Components SDM (SRAM Direct Mount) Narrow wide chainrings that come in 28/30/32/34T versions.

Save unnecessary spider and chainring bolt weight, simplify your cranks and have the ability to run smaller chainrings for steep trails. Priced from only $65, OneUp’s tried and tested narrow wide profile, designed and developed on the bone-shakingly rooty trails of Squamish BC and run by World Champions, including Jared Graves, the SDM chainrings are for XX1/X01 riders running cranks that don’t have removable spiders where running a chainring smaller than 30T is not an option. The X-cog is the ideal solution to get a more usable granny gear.

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  • Perfect 49mm chainline for a quieter drivetrain, improved chainring wear and best no drop performance
  • Aggressive crud chamfers for awesome mud shedding performance and extended ring life
  • Reinforced wide tooth design provides maximum ring durability when run without a bash guard
  • Machined from hard wearing 7075-T6 aluminum plate
  • 10 blade design optimized for maximum stiffness

SDM RING SPEC

  • Price: From $65 USD
  • Material:  7075-T6 Aluminum
  • Weight: 49g (28T), 53g (30T), 61g (32T), 70g (34T)
  • Chainline: 49mm
  • Compatibility: Removable spider SRAM 10/11-speed GXP.  BB30 X0/X9 Cranks with 38/24, 38/24, 36/22, 34/22 ring combos
  • Colors:  Black, Green

Look for more on these new XX drivetrain options from OneUp Components when we get our test cogs and sprockets in!

One Response to New From OneUp Components – X-Cog 44t Cassette Sprocket and SDM Chainrings

  1. Wade April 23, 2015 at 7:23 pm #

    Thank goodness they are finally doing a direct mount chainring for my X9 crankset