Intended use: Cross Country Riding/Epic Back Country/Single Speed Racing!

Niner introduces the multipurpose S.I.R. 9, a Reynolds 853 frame that can be run as a single speed - using Niner's own super light eccentric bottom bracket - or a speeded bike with a replaceable derailleur hanger. Once again, Niner's attention to detail can be seen on every aspect of this frame. The custom made "Breezer" style drop outs accommodate a derailleur hanger or a single speed insert for a perfectly clean look. The custom butted Reynolds 853 main triangle uses size specific tubing with exceptionally clean welds. Other details include custom drawn S-bend chain stays and seat stays, a stainless steel head badge, and a reamed and faced head tube, seat tube and bottom bracket shell. Essentially, the S.I.R. 9 is the perfect 'do everything' cross-country machine.

Frame: Custom drawn Reynolds 853 main triangle with size specific tubing.

Frame Weight (Med): 4.1lbs.
Sizes:SM-XL.
Color:Tang, Godzilla Green, or Hot Tamale. Powdercoat only.

Niner S.I.R. 9 can be purchased as complete bike. Please call 800-688-8600 and speak to our sales staff.

Important Information

Shop time: Please allow 3-5 business days prior to shipping for orders that include Frames or Framesets.

Item Code: NINAMRPP

Sizing Chart