COG Extender

New ReCOGnition! Great addition to your 1x drive train, with just the swap of one cog to your existing 10 speed cogset. Increases range to your drive train without breaking the bank. Pair this with a BLACKSPIRE Snaggletooth WP ring up front and your ready to ride. New ReCOGnition! Great addition to your 1x drive train, with just the swap of one cog to your existing 10 speed cogset. Increases range to your drive train without breaking the bank. Pair this with a BLACKSPIRE Snaggletooth WP ring up front and your ready to ride.
● CNC’d 7075 T-6
● For SHIMANO FC-M782, FC-M672, FC-M622 and FC-M612 96BCD cranks
● 45T for XT M8000 & XTR M9020 now available
● Comes with spacer and longer B’tension screw
● For use with 10 & 11 speed drivetrains
● Anodized w/Laser etched Graphics

Sizes Available
● 40T and 42T compatible with Shimano and *SRAM
● Color(s): Anodized Black, Red, Blue, & Silver

Check our compatibility page to make sure your desired setup is approved

1. Remove the lockring and existing cassette from your rear wheel.
2. Remove the stock 15 or 17t sprocket and one spacer from your cassette.
3. Install the ReCOGnition 40T or 42T or 45T sprocket and then the spacer provided onto the freehub body.
3a. For Shimano 10 speed rear cassettes put the 2mm spacer on the freehub body first then add the remaining cogs.
3b. for the *SRAM compatible cassettes add the large cog first then 2mm spacer, then the rest of cogs.
4. Install all remaining cassette sprockets and spacers.
(There should be 10 evenly spaceds sprockets on the freehub body)
5. Reinstall the cassette lockring and tighten it to the noted torque.

*SRAM is the registered trademark of the SRAM Corporation

We are blowing out all of our old stock items! Heavily discounted prices to make room for our new product range. Take advantage while you can. Limited quantities available. All sales are final.