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  1. The EX cog should only be used with a new, or nearly new drivetrain. Your chain and cassette should show no wear prior to install. Worn components will affect shifting performance.
    • The EX cog should only be used with a new, or nearly new drivetrain. Your chain and cassette should show no wear prior to install. Worn components will affect shifting performance.

    • For 1x use, a mid cage or longer derailleur must be used

    • For 2x use a long cage derailleur must be used

    • Do not use with a 3x system

    • Always refer to your drivetrain manufacturers recommendations on chain wrap

  2. Start by installing the EX cog onto your freehub body The side with the logos should be down towards the hub The side with the logos should be down towards the hub
    • Start by installing the EX cog onto your freehub body

    • The side with the logos should be down towards the hub

  3. Install your cassette To fit the EX cog, the 17t cassette cog and spacer will need to be left out Continue installing the cassette cogs, be sure each cog is facing the correct direction, refer to your cassette owners manual for more information
    • Install your cassette

    • To fit the EX cog, the 17t cassette cog and spacer will need to be left out

    • Continue installing the cassette cogs, be sure each cog is facing the correct direction, refer to your cassette owners manual for more information

  4. Lightly grease and install the cassette lockring and torque to spec. Lightly grease and install the cassette lockring and torque to spec.
    • Lightly grease and install the cassette lockring and torque to spec.

  5. Install the wheel back on the bike
    • Install the wheel back on the bike

    • Check shifting quality by shifting through the higher gears (smaller cogs)

    • If your cassette is not shifting properly, adjust the derailleur using only the smaller cogs

    • If you are unsure how to adjust your rear derailleur, consult your derailleur owners manual or visit your local bike shop

    • You should have perfect shifting in these smaller cogs before adjusting shifting into the EX cog

  6. Shift into the EX cog
    • Shift into the EX cog

    • Adjust the B-limit screw so that there is a 5-6mm gap between the upper derailleur pulley teeth and the teeth on the EX cog

    • If you are unsure how to adjust your B-limit screw, consult your derailleur owners manual or visit your local bike shop

    • You can also hear when the B-limit is not adjusted correctly as the teeth will grind together. Adjust the B-limit screw in until quiet

    • For most bikes, you will likely need to install the provided longer B-limit screw. This is included

  7. Remove the stock B-limit screw and install the new one Be careful not to cross thread the new screw Be careful not to cross thread the new screw
    • Remove the stock B-limit screw and install the new one

    • Be careful not to cross thread the new screw

  8. Be careful not to lose the small plastic washer located in the B-limit screw hole If it comes out be sure to re-install it
    • Be careful not to lose the small plastic washer located in the B-limit screw hole

    • If it comes out be sure to re-install it

  9. Check your shifting one last time before hitting the trails
    • Check your shifting one last time before hitting the trails

The Hive - Jeremy

Member since: 12/05/2012

49 Guides authored

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