Niner Bikes BioCentric II Bottom Bracket

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MSRP : $89.00

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Biocentric II and Air 9 RDO compatibility

Sorry for the newb question. I am new to the single speed world and a little confused on wither the biocentric II is compatible with the Air 9 Rdo frame? Every time I search I get conflicting information, thanks!!Read More »

Correct BB for a Niner BioCentric II EBB?

I don't understand BB nomenclature so I'll just ask you experts. I have a 2005 XT crankset. It has the threaded bearings. The axle that the cranks attach to isn't the older square tapered axle, but the hollow, round axle with the teeth for the crank. The cranks are removable by loosening the ... Read More »

WTB: BioCentric II

I need a BC II to set up my Air9C as a single speed. I would prefer one that has depreciated a little below the $90 asking price from Niner. Thanks! JeffRead More »

Paid spam - 2012 One 9 frame (+Biocentric II EBB)

Time to part with a frame I've loved for a while - the '12 Niner One 9. Hydroformed aluminum, tapered headtube, size L, includes Cane Creek headset and nearly new Biocentric II EBB. Truly excellent condition! [url= ... Read More »

Niner Newsletter for December - Blaze Yellow, Biocentric II Tech video, Coupon Code

Hey all - Our December newsletter is up - check out the new color option on our SIR 9 and ONE 9 RDO, as well as the newest addition to our technical videos. Cheers, Carla [URL=""]Blaze Yellow - New SIR & One 9 RDO ... Read More »

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