Trying to upgrade wife's bike to add a dropper post. Its a 2016 Niner Jet RDO with a SHimano XTR 2X10 want to go to a 1X11 to clean up handle bar to add dropper post. Its has a 11-36 on rear and 38/26 rings up front. Was going to do a 1X12 but way too expensive since we have a Chris King hub with shimano on it now. Can I use existing cranks to do a 1X11. She currently likes to use the 26 ring when we are hitting harder trails. Her drivetrain is about a 1 1/2 years old now and I feel it is time to change it anyway. Thanks.
jts140
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1,301 Posts
Well, I don't the exact specs of your bike, but here's what I did on my 2017 Trek Fuel 9.8 which has (had) a 2x11 XT drive train.
1. Kept the cranks.
2. Bought one of these:
https://can.oneupcomponents.com/col...om/collections/expander-sprockets/products/47t-sprocket-18t-xt-xtr-shimano-1x11
3. Bought one of these:
https://can.oneupcomponents.com/products/xt-m8000-chainrings
4. Added a new chain.
Works like a charm! A nice range on the back, and all around pretty good.
1. Kept the cranks.
2. Bought one of these:
https://can.oneupcomponents.com/col...om/collections/expander-sprockets/products/47t-sprocket-18t-xt-xtr-shimano-1x11
3. Bought one of these:
https://can.oneupcomponents.com/products/xt-m8000-chainrings
4. Added a new chain.
Works like a charm! A nice range on the back, and all around pretty good.
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