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Niner S.I.R 9 rigid 29er

  • By Nick Legan
  • Published Jun. 25, 2012
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Niner used a 44mm head tube to allow the use of tapered or straight steerers. Photo: Nick Legan | Singletrack.com

Niner used a 44mm head tube to allow the use of tapered or straight steerers. Photo: Nick Legan | Singletrack.com

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