Niner SIR 9 Frameset - 2020

Take charge of your ride with this Reynolds 853 Steel frame designed around Niner´s [R]evolution trail geometry which begs the rider to push their limits. Ride it hard. Ride it fast. After all, it´s made from a truly time-tested material that´s been air hardened and heat treated. The efficient, yet compliant ride quality of the SIR 9 harkens back to a simpler time. A time without linkages and complicated shock settings. A time where all the energy you put into the pedals moves you forward.

- BB type: 73 mm PF30 BB Shell (Adapters Required For BSA Type BBs)
- Shock size: N/A
- Shock mounting hardware: N/A
- Shock sag: N/A
- Seatpost size: 27.2
- Seat collar size: 31.8
- Front derailleur: 34.9 Side Swing, Front Pull Front Derailleur
- Headset: 1.125´´ X 1.5´´ Tapered Zero Stack Head Tube, 44mm Upper, 56mm Lower, Cane Creek Description: ZS44/28.6 ZS56/40
- Bearing specs: N/A
- Rear wheel spacing: 148 X 12 Rear Spacing
- Bottle mount location descriptions: All Sizes Have 2 Inner Triangle Bottle Mounts, 1 Mount Under Down Tube
- Max tire size: Can Fit Up To A 29 X 2.4 Or 27.5 X 3.0 Tire (Tire Sizes Vary By Brand, Some Tires May Not Fit)
- Chainring configurations: Compatible With Standard 1X, 2X And 3X Systems
- 1x max chain ring size: 36T
- Q-Factor: 168 mm
- Max fork travel: 120 mm
- ISCG compatibility: N/A
- Max rotor size: Post Mount Disc Brake 180 mm Max Rotor Size
- Fork offset: Designed Around 51mm Offset
- Biocentric: Compatible With Biocentric
- Recommended use: Cross Country
- Frame material: Steel
- Frame type: hardtail
- Head tube diameter: 1 1/2 to 1 1/8 tapered
- Headset included: Yes
- Bottom bracket type: PF30
- Biocentric compatible: Biocentric (included)
- Cable routing: external
- Front derailleur mount: 34,9 mm
- Derailleur pull: side swing
- Brake mount: Post Mount
- Seatpost diameter: 30,9 mm
- Rear axle included: Yes. 12x148 mm.