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Upgrade your 11-speed SLX and XT cassettes for an improved range.
If you are looking to get more range out of your drivetrain, the 50T Shark Cog is the easiest way to improve your range without purchasing a complete new drivetrain. This kit includes a 50t extender cog, 18t cog to replace the 17t and 19t cogs and a new cage to accommodate the wider range. This kit will allow you to have a 500% range at a fraction of the cost! Whether you want an easier climbing gear or a large front chainring, adding the 50T cog will give you plenty of new options. For example, adding the 50T extender will allow you to change to 30T front ring to a 34T and lot keep the same low gear!
7075-T6 Aluminum (50T and Cage), Nickel plated hardened steel (18T).
Adds 80g to cassette, 9g to the derailleur.
Compatible with SLX/XT( M7000/M8000) 11-42T cassettes.
Improves range by 19%
For standard splined free hub bodies.
Each kit includes:
1x 50T Shark Cog.
1x 18t Cog (replaces the 17 and 19t cogs)
1x Cage to suit either XTR RD-9000 or XT RD-M8000 GS or SGS derailleurs
Note: Only compatible with Shimano 11-speed 11-42 cassettes (M7000 and M8000)
Not compatible with E13 wide flange hubs.
Please see video below for installation instructions:
ConsLooks big on wheels but you don't look down when your riding
Bought 50T to add on
Bought 50T to add on with 36T WolfTooth chain ring which replaced Shimano 32T chain ring to rectify chain slap and chain drop. Chain slap was really bad that it was wrecking my chain stay and I got sick of replacing the protective tape. Any ways this combo is awesome fixed the issue, dropped no chains hitting Black widow at Mount Joyce. Used to have 2/3 chain drops a ride at Nerang, put on a Oneup chain guide first off but the the slaps where killing me as well as the chain rubs on the guide. All fixed now, could not be happier. Great upgrade to the XT 11x42 and bonus is... increased gear ratios. Given it 4 stars as still to early for 5 although been on about 10 rides since I got it and so far happy.
I used this to modify my Shimano XT M8000 set-up. This now provides me a better gear ratio on my hard tail 29eR. The shifting is superb. I have however added a goat link to make sure I have the best shifting possible for 11-50T clusters.
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