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Niner Sir 9 29er Frame

Item #

54034

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MSRP

$850.00

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Niner Sir 9 29er Frame
Yes! Niner Bikes have heard, STEEL IS REAL! They're on it. Niner introduces the multipurpose Niner SIR 9 Frame, a Reynolds 853 frame that can be run as a single speed using Niner's own super light EBB, or a speeded bike with a replaceable derailleur hanger. Once again, Niner's attention to detail can be seen on every aspect of the Niner SIR 9 Frame, from the custom made "Breezer" style drop outs that accommodate both a derailleur hanger or a single speed insert for a perfectly clean look, to the custom butted and built Reynolds 853 main triangle with size specific tubing, to the clean welds, 110 gram EBB, custom drawn S-bend chainstays and seatstays, stainless steel head badge, and finally the finished off quality of a reamed and faced head tube, seat tube and EBB shell, the Niner SIR 9 Frame is the perfect do everything cross country Niner machine. The Niner S.I.R. 9 Frame has also received the proven Niner philosophy of geometry.

Niner Sir 9 29er Frame

Sizes: Small / Medium / Large / X-Large

Top Tube (Effective): 23.1 / 23.75 / 24.5 / 25.25

Seat Tube: 15.5 / 16.5 / 19 / 21.5

Seat Post Diameter: 27.2mm

Front Derailleur Size/Type: 28.6mm Top Swing Bottom Pull

Chainstay: 17.3

Front Center: 25.3 / 25.3 / 26 / 26.8

Wheelbase: 42.3 / 42.3 / 43 / 43.7

BB Drop: 70mm

Headtube: 80mm / 90mm / 100mm / 110mm

Seat Tube Angle: 74.5deg / 73.5deg / 73.5deg / 73deg

Headtube Angle: 71deg / 72deg / 72deg / 72deg

Stand-Over Height: 27.9 / 28.6 / 30.7 / 32.7

Height Recommendation: 5'3"-5'9"/ 5'8"-6'0"/ 5'11"-6'3"/ 6'3"-6'7"

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Niner Sir 9 29er Frame

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