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

Regular price

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shipping icon $94.99 RideFast Shipping

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

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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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)


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

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

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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