Niner SIR 9 Medium Bike - 2018 drive side Niner SIR 9 Medium Bike - 2018 non-drive side Niner SIR 9 Medium Bike - 2018 sticker Niner SIR 9 Medium Bike - 2018 drivetrain Niner SIR 9 Medium Bike - 2018 front wheel Niner SIR 9 Medium Bike - 2018 cockpit Niner SIR 9 Medium Bike - 2018 crank Niner SIR 9 Medium Bike - 2018 detail 1 Niner SIR 9 Medium Bike - 2018 detail 2 Niner SIR 9 Medium Bike - 2018 detail 3
2018 Medium SKU: BMT13104

Niner SIR 9 Medium Bike - 2018

Recommended Rider Height: N/A Size Guide
Regular price

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shipping icon $94.99 RideFast Shipping

Pre-Owned|Pedals: No|Charger: N/A

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TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Bikes ship in our custom RideFast box, and assembly is incredibly simple. Most novice riders can assemble their bike in 5 minutes or less. The tools you need to assemble are also included.

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Specifications

Year 2018
Brand Niner
Model SIR 9
Size Medium
Frame Material Steel
Drivetrain SRAM, 1x12 spd
Weight 24 lbs 9 oz
Fork Fox Factory Series 32 Float
Fork Travel 110mm
Rear Shock N/A
Rear Shock Travel N/A
Brakes SRAM Level ULT, Disc Brakes - Hydraulic
Shifters SRAM XX1 Eagle, Mechanical
Front Derailleur N/A
Rear Derailleur SRAM XX1 Eagle
Crankset SRAM XX1 Eagle, 34t, 175 mm
Cassette SRAM XG 1295 Eagle, 12spd, 10-50t
Chain SRAM
Handlebar Race Face Aeffect R alloy, 790 mm
Headset Niner integrated
Stem Race Face alloy, 35.0 mm x 75mm, 6°
Seatpost Thomson Elite alloy, 30.9mm
Seatpost Travel N/A
Saddle Fizik Antares
Front Axle Spacing 15x110mm Boost (Thru-Axle)
Rear Axle Spacing 12x148mm Boost (Thru-Axle)
Wheelset DT Swiss XR 1501, DT Swiss 240s
Front Tire Vittoria Barzo, 29" x 2.25"
Rear Tire Vittoria Barzo, 29" x 2.25"
Tire Type Tubeless
Tubeless Compatibility Yes (rim strips and valve stem included)

Geometry

Recommended Rider Height N/A
a. Effective Top Tube 603 mm
b. Seat Tube 421 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 68°
e. Head Tube 110 mm
f. Stack 620 mm
g. Reach 425 mm
h. Standover Height 739 mm
VIEW SIZING GUIDE
QUALITY YOU CAN TRUST

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.

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— David H.

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