Niner Sir 9 Steel Hardtail

Strongly built for powerful, hard-riding, the SIR 9 3-Star boasts trail-taming "[R]Evolution" geometry, superb Shimano gearing and fantastic suspension to give you the most exhilarating and exciting MTB experience. It's a true trailblazer for the modern rider.

Classically Built, Top Performing Trail Bike Constructed from a heat-treated Reynolds 853 Steel, the frame on this Niner model comes with renowned quality and reliability, sized with trail-specific geometry to give comfort and control across the mountain from your first push off to your final pull of the brakes. Kitted out with a superb Fox 34 Float front fork for top-end shock absorption and Stan's NoTubes rims with Maxxis Ardent tyres to keep you rolling reliably over rough terrains, this robust and adventurous mountain bike will lead you anywhere you want to go with confidence and competence. Powered by a hard-working SRAM drivetrain and kept under control by SRAM Guide R brakes, this trail-ready machine is an absolute hero of a hardtail. 27.5+ compatible 


Frame: Reynolds 853 Steel

Fork: Fox 34 Float Rhythm Grip Evol, Seep Adjust, 120mm, 110x15mm

Rear Shock: N/A

Stem: Race Face Aeffect R 50mm, 35mm clamp

Handlebar: Race Face Aeffect R 780mm wide, 20mm rise, 35mm clamp

Front Derailleur: N/A

Rear Derailleur: SRAM GX Eagle 12 speed

Shifters: Front: N/A; Rear: SRAM GX Eagle 12 speed

Brake System: SRAM Guide R, 180/160mm G2cs rotors

Crankset: SRAM Stylo 7K Eagle PF30 32T

Bottom Bracket: SRAM PF30 Cassette: SRAM Eagle XG 1275, 10-50T

Chain: SRAM GX Eagle 12 speed

Front Wheel: Niner Alloy, 110X15mm, Niner graphic

Rear Wheel: Niner Alloy, , 148 X 12mm, Niner graphic

Tyres: Maxxis Ardent Dc/Exo/Tr 29x2.4"; Rear: Maxxis Ardent Dc/Exo/Tr 29x2.25"

Saddle: Niner custom with CrMo rails, embossed Niner graphic

Seatpost: KS Lev SI

1 star build £2199

2 star build £2999

3 star build £3799 

Price: £ 3799.00