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Discussion Starter · #1 ·
Can someone tell me the height of the BB on a Jet 9 with a 100mm fork?
Thanks.
 

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MTB_TDI said:
Can someone tell me the height of the BB on a Jet 9 with a 100mm fork?
Thanks.
With what size tires? 2.4's. 1.8's, 2.0's, etc...? Same tire up front as rear, or mix match?
 

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Discussion Starter · #3 ·
On most bike geometry charts the bike maker shows the BB height but doesn't list the tire size. Niner doesn't list their BB height that I could find. It doesn't appear that it is too low since no one that I have found has complained about it being too low. I am just wondering if the BB is low or high on the Jet 9. I will probably run a 2.0 or 2.1.
 

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MTB_TDI said:
On most bike geometry charts the bike maker shows the BB height but doesn't list the tire size. Niner doesn't list their BB height that I could find. It doesn't appear that it is too low since no one that I have found has complained about it being too low. I am just wondering if the BB is low or high on the Jet 9. I will probably run a 2.0 or 2.1.
I've currently got minimal tread test XC race tires (about 1.9's and smaller than a Crow 2.0) on my JET 9 at the moment. BB height measures out at 13" from center of BB to the cement floor. Tall tires like the IKON 2.2, Race King 2.2, etc.... would jack that height up. I would guess that more "normal" height tires would have a 13.3 - 13.5" BB height.

BB
 

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Discussion Starter · #5 ·
Thanks! I pulled the trigger and got one. Black frame, reba xx fork, full XO. It is sweet!!!
 

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Did my first ride today coming off my Scandal hardtail. Had 3 pedal strikes on the Jet. I was actually surprised because I was afraid it would be a too high BB height with 100mm fork.
Nothing bad.
 
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